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Finding the Fourth Proportional to 625,795.29, 938,136.15 and 226,347.21

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Solution

The fourth proportional to 625,795.29, 938,136.15 and 226,347.21 is: 339,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,795.29 : 938,136.15 = 226,347.21 : x
  2. Step 2: Convert to fraction form
    625,795.29/938,136.15 = 226,347.21/x
  3. Step 3: Cross multiply
    625,795.29x = 938,136.15 × 226,347.21
  4. Step 4: Simplify right side
    625,795.29x = 212,344,500,152.64
  5. Step 5: Solve for x
    x = 212,344,500,152.64/625,795.29
  6. Step 6: Final answer
    x = 339,319.43

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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.