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Finding the Fourth Proportional to 647,605.17, 970,819.66 and 226,651.41

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Solution

The fourth proportional to 647,605.17, 970,819.66 and 226,651.41 is: 339,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,605.17 : 970,819.66 = 226,651.41 : x
  2. Step 2: Convert to fraction form
    647,605.17/970,819.66 = 226,651.41/x
  3. Step 3: Cross multiply
    647,605.17x = 970,819.66 × 226,651.41
  4. Step 4: Simplify right side
    647,605.17x = 220,037,644,794.72
  5. Step 5: Solve for x
    x = 220,037,644,794.72/647,605.17
  6. Step 6: Final answer
    x = 339,771.29

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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.