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Finding the Fourth Proportional to 625,466.73, 938,200.13 and 251,402.25

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Solution

The fourth proportional to 625,466.73, 938,200.13 and 251,402.25 is: 377,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,466.73 : 938,200.13 = 251,402.25 : x
  2. Step 2: Convert to fraction form
    625,466.73/938,200.13 = 251,402.25/x
  3. Step 3: Cross multiply
    625,466.73x = 938,200.13 × 251,402.25
  4. Step 4: Simplify right side
    625,466.73x = 235,865,622,375.28
  5. Step 5: Solve for x
    x = 235,865,622,375.28/625,466.73
  6. Step 6: Final answer
    x = 377,103.39

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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.