Finding the Fourth Proportional to 502,138.62, 752,930.67 and 261,652.11
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Solution
The fourth proportional to 502,138.62, 752,930.67 and 261,652.11 is: 392,333.69
Step by Step Solution
- Step 1: Write the proportion equation
502,138.62 : 752,930.67 = 261,652.11 : x - Step 2: Convert to fraction form
502,138.62/752,930.67 = 261,652.11/x - Step 3: Cross multiply
502,138.62x = 752,930.67 × 261,652.11 - Step 4: Simplify right side
502,138.62x = 197,005,898,489.21 - Step 5: Solve for x
x = 197,005,898,489.21/502,138.62 - Step 6: Final answer
x = 392,333.69
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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.