Home / 625,605.12-938,209.50-226,193.04

Finding the Fourth Proportional to 625,605.12, 938,209.50 and 226,193.04

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Solution

The fourth proportional to 625,605.12, 938,209.50 and 226,193.04 is: 339,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,605.12 : 938,209.50 = 226,193.04 : x
  2. Step 2: Convert to fraction form
    625,605.12/938,209.50 = 226,193.04/x
  3. Step 3: Cross multiply
    625,605.12x = 938,209.50 × 226,193.04
  4. Step 4: Simplify right side
    625,605.12x = 212,216,458,961.88
  5. Step 5: Solve for x
    x = 212,216,458,961.88/625,605.12
  6. Step 6: Final answer
    x = 339,217.91

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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.