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Finding the Fourth Proportional to 492,337.52, 738,211.02 and 225,764.10

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Solution

The fourth proportional to 492,337.52, 738,211.02 and 225,764.10 is: 338,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,337.52 : 738,211.02 = 225,764.10 : x
  2. Step 2: Convert to fraction form
    492,337.52/738,211.02 = 225,764.10/x
  3. Step 3: Cross multiply
    492,337.52x = 738,211.02 × 225,764.10
  4. Step 4: Simplify right side
    492,337.52x = 166,661,546,540.38
  5. Step 5: Solve for x
    x = 166,661,546,540.38/492,337.52
  6. Step 6: Final answer
    x = 338,510.76

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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.