Home / 432,006.20-647,717.70-229,635.80

Finding the Fourth Proportional to 432,006.20, 647,717.70 and 229,635.80

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Solution

The fourth proportional to 432,006.20, 647,717.70 and 229,635.80 is: 344,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,006.20 : 647,717.70 = 229,635.80 : x
  2. Step 2: Convert to fraction form
    432,006.20/647,717.70 = 229,635.80/x
  3. Step 3: Cross multiply
    432,006.20x = 647,717.70 × 229,635.80
  4. Step 4: Simplify right side
    432,006.20x = 148,739,172,213.66
  5. Step 5: Solve for x
    x = 148,739,172,213.66/432,006.20
  6. Step 6: Final answer
    x = 344,298.70

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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.