määräsuhde

Määräsuhde is a Finnish term describing the quantitative relationship between two or more quantities. It is commonly expressed as a ratio or a proportion, indicating how many units of one quantity correspond to units of another.

Rations can be written as A:B, as a fraction A/B, or as a percentage after conversion. A proportion states that two ratios are equal, for example A:B = C:D. In practical use, määräsuhde helps compare amounts, scale models, or perform unit conversions.

Common examples include cooking, where a recipe might require a 2:1 ratio of flour to sugar, or chemistry, where the molar ratio of reactants defines the amounts needed for a reaction. In finance, ratios such as debt-to-equity express relative sizes of different quantities.

A key distinction is between a ratio (a comparison) and a rate (a change over time). A proportion is a statement of equality between two ratios. Calculations often use cross-multiplication: if A:B = C:D, then AD = BC.

Määräsuhde is used across disciplines for planning, mixing, budgeting, and analysis. It is particularly relevant when scaling quantities, converting units, or maintaining a consistent composition. Understanding the underlying relationship helps ensure accuracy and consistency in practical tasks.