Finding the Fourth Proportional to 516,861.43, 775,291.68 and 161,903.14
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Solution
The fourth proportional to 516,861.43, 775,291.68 and 161,903.14 is: 242,854.56
Step by Step Solution
- Step 1: Write the proportion equation
516,861.43 : 775,291.68 = 161,903.14 : x - Step 2: Convert to fraction form
516,861.43/775,291.68 = 161,903.14/x - Step 3: Cross multiply
516,861.43x = 775,291.68 × 161,903.14 - Step 4: Simplify right side
516,861.43x = 125,522,155,469.65 - Step 5: Solve for x
x = 125,522,155,469.65/516,861.43 - Step 6: Final answer
x = 242,854.56
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Similar ratio
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1.5x scale
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.