Finding the Fourth Proportional to 516,747.19, 775,070.65 and 156,921.14
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Solution
The fourth proportional to 516,747.19, 775,070.65 and 156,921.14 is: 235,366.49
Step by Step Solution
- Step 1: Write the proportion equation
516,747.19 : 775,070.65 = 156,921.14 : x - Step 2: Convert to fraction form
516,747.19/775,070.65 = 156,921.14/x - Step 3: Cross multiply
516,747.19x = 775,070.65 × 156,921.14 - Step 4: Simplify right side
516,747.19x = 121,624,969,978.54 - Step 5: Solve for x
x = 121,624,969,978.54/516,747.19 - Step 6: Final answer
x = 235,366.49
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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.