Finding the Fourth Proportional to 288,565.18, 398,226.99 and 161,249.02
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Solution
The fourth proportional to 288,565.18, 398,226.99 and 161,249.02 is: 222,527.58
Step by Step Solution
- Step 1: Write the proportion equation
288,565.18 : 398,226.99 = 161,249.02 : x - Step 2: Convert to fraction form
288,565.18/398,226.99 = 161,249.02/x - Step 3: Cross multiply
288,565.18x = 398,226.99 × 161,249.02 - Step 4: Simplify right side
288,565.18x = 64,213,711,875.05 - Step 5: Solve for x
x = 64,213,711,875.05/288,565.18 - Step 6: Final answer
x = 222,527.58
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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.