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Finding the Fourth Proportional to 366,793.17, 550,348.14 and 198,432.10

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Solution

The fourth proportional to 366,793.17, 550,348.14 and 198,432.10 is: 297,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,793.17 : 550,348.14 = 198,432.10 : x
  2. Step 2: Convert to fraction form
    366,793.17/550,348.14 = 198,432.10/x
  3. Step 3: Cross multiply
    366,793.17x = 550,348.14 × 198,432.10
  4. Step 4: Simplify right side
    366,793.17x = 109,206,737,151.29
  5. Step 5: Solve for x
    x = 109,206,737,151.29/366,793.17
  6. Step 6: Final answer
    x = 297,733.83

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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.