Home / 252,179.31-378,195.15-207,695.73

Finding the Fourth Proportional to 252,179.31, 378,195.15 and 207,695.73

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Solution

The fourth proportional to 252,179.31, 378,195.15 and 207,695.73 is: 311,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,179.31 : 378,195.15 = 207,695.73 : x
  2. Step 2: Convert to fraction form
    252,179.31/378,195.15 = 207,695.73/x
  3. Step 3: Cross multiply
    252,179.31x = 378,195.15 × 207,695.73
  4. Step 4: Simplify right side
    252,179.31x = 78,549,517,761.71
  5. Step 5: Solve for x
    x = 78,549,517,761.71/252,179.31
  6. Step 6: Final answer
    x = 311,482.80

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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.