Finding the Fourth Proportional to 516,857.99, 775,287.03 and 161,899.70
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Solution
The fourth proportional to 516,857.99, 775,287.03 and 161,899.70 is: 242,849.56
Step by Step Solution
- Step 1: Write the proportion equation
516,857.99 : 775,287.03 = 161,899.70 : x - Step 2: Convert to fraction form
516,857.99/775,287.03 = 161,899.70/x - Step 3: Cross multiply
516,857.99x = 775,287.03 × 161,899.70 - Step 4: Simplify right side
516,857.99x = 125,518,737,570.89 - Step 5: Solve for x
x = 125,518,737,570.89/516,857.99 - Step 6: Final answer
x = 242,849.56
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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.