Finding the Fourth Proportional to 283,902.48, 391,808.96 and 163,067.08
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Solution
The fourth proportional to 283,902.48, 391,808.96 and 163,067.08 is: 225,046.09
Step by Step Solution
- Step 1: Write the proportion equation
283,902.48 : 391,808.96 = 163,067.08 : x - Step 2: Convert to fraction form
283,902.48/391,808.96 = 163,067.08/x - Step 3: Cross multiply
283,902.48x = 391,808.96 × 163,067.08 - Step 4: Simplify right side
283,902.48x = 63,891,143,025.04 - Step 5: Solve for x
x = 63,891,143,025.04/283,902.48 - Step 6: Final answer
x = 225,046.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.