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Finding the Fourth Proportional to 329,532.86, 493,959.89 and 129,772.28

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Solution

The fourth proportional to 329,532.86, 493,959.89 and 129,772.28 is: 194,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,532.86 : 493,959.89 = 129,772.28 : x
  2. Step 2: Convert to fraction form
    329,532.86/493,959.89 = 129,772.28/x
  3. Step 3: Cross multiply
    329,532.86x = 493,959.89 × 129,772.28
  4. Step 4: Simplify right side
    329,532.86x = 64,102,301,153.85
  5. Step 5: Solve for x
    x = 64,102,301,153.85/329,532.86
  6. Step 6: Final answer
    x = 194,524.76

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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.