Home / 219,680.44-329,553.50-79,471.87

Finding the Fourth Proportional to 219,680.44, 329,553.50 and 79,471.87

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Solution

The fourth proportional to 219,680.44, 329,553.50 and 79,471.87 is: 119,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,680.44 : 329,553.50 = 79,471.87 : x
  2. Step 2: Convert to fraction form
    219,680.44/329,553.50 = 79,471.87/x
  3. Step 3: Cross multiply
    219,680.44x = 329,553.50 × 79,471.87
  4. Step 4: Simplify right side
    219,680.44x = 26,190,231,688.80
  5. Step 5: Solve for x
    x = 26,190,231,688.80/219,680.44
  6. Step 6: Final answer
    x = 119,219.68

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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.