Home / 498,115.90-747,532.95-198,423.19

Finding the Fourth Proportional to 498,115.90, 747,532.95 and 198,423.19

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Solution

The fourth proportional to 498,115.90, 747,532.95 and 198,423.19 is: 297,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,115.90 : 747,532.95 = 198,423.19 : x
  2. Step 2: Convert to fraction form
    498,115.90/747,532.95 = 198,423.19/x
  3. Step 3: Cross multiply
    498,115.90x = 747,532.95 × 198,423.19
  4. Step 4: Simplify right side
    498,115.90x = 148,327,872,569.11
  5. Step 5: Solve for x
    x = 148,327,872,569.11/498,115.90
  6. Step 6: Final answer
    x = 297,777.83

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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.