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Finding the Fourth Proportional to 269,819.56, 404,658.83 and 80,228.88

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Solution

The fourth proportional to 269,819.56, 404,658.83 and 80,228.88 is: 120,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,819.56 : 404,658.83 = 80,228.88 : x
  2. Step 2: Convert to fraction form
    269,819.56/404,658.83 = 80,228.88/x
  3. Step 3: Cross multiply
    269,819.56x = 404,658.83 × 80,228.88
  4. Step 4: Simplify right side
    269,819.56x = 32,465,324,913.58
  5. Step 5: Solve for x
    x = 32,465,324,913.58/269,819.56
  6. Step 6: Final answer
    x = 120,322.35

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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.