Home / 498,766.07-748,254.23-161,780.50

Finding the Fourth Proportional to 498,766.07, 748,254.23 and 161,780.50

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Solution

The fourth proportional to 498,766.07, 748,254.23 and 161,780.50 is: 242,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,766.07 : 748,254.23 = 161,780.50 : x
  2. Step 2: Convert to fraction form
    498,766.07/748,254.23 = 161,780.50/x
  3. Step 3: Cross multiply
    498,766.07x = 748,254.23 × 161,780.50
  4. Step 4: Simplify right side
    498,766.07x = 121,052,943,456.52
  5. Step 5: Solve for x
    x = 121,052,943,456.52/498,766.07
  6. Step 6: Final answer
    x = 242,704.85

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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.