Finding the Fourth Proportional to 317,521.92, 476,287.74 and 80,869.08
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Solution
The fourth proportional to 317,521.92, 476,287.74 and 80,869.08 is: 121,304.86
Step by Step Solution
- Step 1: Write the proportion equation
317,521.92 : 476,287.74 = 80,869.08 : x - Step 2: Convert to fraction form
317,521.92/476,287.74 = 80,869.08/x - Step 3: Cross multiply
317,521.92x = 476,287.74 × 80,869.08 - Step 4: Simplify right side
317,521.92x = 38,516,951,349.08 - Step 5: Solve for x
x = 38,516,951,349.08/317,521.92 - Step 6: Final answer
x = 121,304.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.