Home / 498,286.20-747,440.82-178,459.98

Finding the Fourth Proportional to 498,286.20, 747,440.82 and 178,459.98

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Solution

The fourth proportional to 498,286.20, 747,440.82 and 178,459.98 is: 267,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,286.20 : 747,440.82 = 178,459.98 : x
  2. Step 2: Convert to fraction form
    498,286.20/747,440.82 = 178,459.98/x
  3. Step 3: Cross multiply
    498,286.20x = 747,440.82 × 178,459.98
  4. Step 4: Simplify right side
    498,286.20x = 133,388,273,788.38
  5. Step 5: Solve for x
    x = 133,388,273,788.38/498,286.20
  6. Step 6: Final answer
    x = 267,694.10

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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.