Finding the Fourth Proportional to 487,159.71, 730,653.36 and 132,201.37
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Solution
The fourth proportional to 487,159.71, 730,653.36 and 132,201.37 is: 198,278.66
Step by Step Solution
- Step 1: Write the proportion equation
487,159.71 : 730,653.36 = 132,201.37 : x - Step 2: Convert to fraction form
487,159.71/730,653.36 = 132,201.37/x - Step 3: Cross multiply
487,159.71x = 730,653.36 × 132,201.37 - Step 4: Simplify right side
487,159.71x = 96,593,375,187.10 - Step 5: Solve for x
x = 96,593,375,187.10/487,159.71 - Step 6: Final answer
x = 198,278.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.