Home / 311,949.90-467,694.45-124,865.10

Finding the Fourth Proportional to 311,949.90, 467,694.45 and 124,865.10

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Solution

The fourth proportional to 311,949.90, 467,694.45 and 124,865.10 is: 187,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,949.90 : 467,694.45 = 124,865.10 : x
  2. Step 2: Convert to fraction form
    311,949.90/467,694.45 = 124,865.10/x
  3. Step 3: Cross multiply
    311,949.90x = 467,694.45 × 124,865.10
  4. Step 4: Simplify right side
    311,949.90x = 58,398,714,268.70
  5. Step 5: Solve for x
    x = 58,398,714,268.70/311,949.90
  6. Step 6: Final answer
    x = 187,205.43

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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.