Finding the Fourth Proportional to 327,701.87, 491,743.86 and 138,150.63
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Solution
The fourth proportional to 327,701.87, 491,743.86 and 138,150.63 is: 207,306.49
Step by Step Solution
- Step 1: Write the proportion equation
327,701.87 : 491,743.86 = 138,150.63 : x - Step 2: Convert to fraction form
327,701.87/491,743.86 = 138,150.63/x - Step 3: Cross multiply
327,701.87x = 491,743.86 × 138,150.63 - Step 4: Simplify right side
327,701.87x = 67,934,724,057.63 - Step 5: Solve for x
x = 67,934,724,057.63/327,701.87 - Step 6: Final answer
x = 207,306.49
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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.