Home / 219,729.60-329,983.20-169,930.80

Finding the Fourth Proportional to 219,729.60, 329,983.20 and 169,930.80

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Solution

The fourth proportional to 219,729.60, 329,983.20 and 169,930.80 is: 255,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,729.60 : 329,983.20 = 169,930.80 : x
  2. Step 2: Convert to fraction form
    219,729.60/329,983.20 = 169,930.80/x
  3. Step 3: Cross multiply
    219,729.60x = 329,983.20 × 169,930.80
  4. Step 4: Simplify right side
    219,729.60x = 56,074,309,162.56
  5. Step 5: Solve for x
    x = 56,074,309,162.56/219,729.60
  6. Step 6: Final answer
    x = 255,196.88

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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.