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Finding the Fourth Proportional to 151,354.60, 226,869.90 and 51,422.20

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Solution

The fourth proportional to 151,354.60, 226,869.90 and 51,422.20 is: 77,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,354.60 : 226,869.90 = 51,422.20 : x
  2. Step 2: Convert to fraction form
    151,354.60/226,869.90 = 51,422.20/x
  3. Step 3: Cross multiply
    151,354.60x = 226,869.90 × 51,422.20
  4. Step 4: Simplify right side
    151,354.60x = 11,666,149,371.78
  5. Step 5: Solve for x
    x = 11,666,149,371.78/151,354.60
  6. Step 6: Final answer
    x = 77,078.26

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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.