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Finding the Fourth Proportional to 625,898.34, 938,611.80 and 226,440.36

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Solution

The fourth proportional to 625,898.34, 938,611.80 and 226,440.36 is: 339,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,898.34 : 938,611.80 = 226,440.36 : x
  2. Step 2: Convert to fraction form
    625,898.34/938,611.80 = 226,440.36/x
  3. Step 3: Cross multiply
    625,898.34x = 938,611.80 × 226,440.36
  4. Step 4: Simplify right side
    625,898.34x = 212,539,593,892.25
  5. Step 5: Solve for x
    x = 212,539,593,892.25/625,898.34
  6. Step 6: Final answer
    x = 339,575.26

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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.