Finding the Fourth Proportional to 357,107.88, 535,693.26 and 132,470.76
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Solution
The fourth proportional to 357,107.88, 535,693.26 and 132,470.76 is: 198,717.80
Step by Step Solution
- Step 1: Write the proportion equation
357,107.88 : 535,693.26 = 132,470.76 : x - Step 2: Convert to fraction form
357,107.88/535,693.26 = 132,470.76/x - Step 3: Cross multiply
357,107.88x = 535,693.26 × 132,470.76 - Step 4: Simplify right side
357,107.88x = 70,963,693,279.08 - Step 5: Solve for x
x = 70,963,693,279.08/357,107.88 - Step 6: Final answer
x = 198,717.80
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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.