Home / 253,033.20-379,553.85-66,044.70

Finding the Fourth Proportional to 253,033.20, 379,553.85 and 66,044.70

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Solution

The fourth proportional to 253,033.20, 379,553.85 and 66,044.70 is: 99,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,033.20 : 379,553.85 = 66,044.70 : x
  2. Step 2: Convert to fraction form
    253,033.20/379,553.85 = 66,044.70/x
  3. Step 3: Cross multiply
    253,033.20x = 379,553.85 × 66,044.70
  4. Step 4: Simplify right side
    253,033.20x = 25,067,520,157.10
  5. Step 5: Solve for x
    x = 25,067,520,157.10/253,033.20
  6. Step 6: Final answer
    x = 99,068.11

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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.