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Finding the Fourth Proportional to 625,467.48, 938,201.25 and 251,403

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Solution

The fourth proportional to 625,467.48, 938,201.25 and 251,403 is: 377,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,467.48 : 938,201.25 = 251,403 : x
  2. Step 2: Convert to fraction form
    625,467.48/938,201.25 = 251,403/x
  3. Step 3: Cross multiply
    625,467.48x = 938,201.25 × 251,403
  4. Step 4: Simplify right side
    625,467.48x = 235,866,608,853.75
  5. Step 5: Solve for x
    x = 235,866,608,853.75/625,467.48
  6. Step 6: Final answer
    x = 377,104.51

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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.