Home / 252,179.30-378,195.14-207,695.72

Finding the Fourth Proportional to 252,179.30, 378,195.14 and 207,695.72

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Solution

The fourth proportional to 252,179.30, 378,195.14 and 207,695.72 is: 311,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,179.30 : 378,195.14 = 207,695.72 : x
  2. Step 2: Convert to fraction form
    252,179.30/378,195.14 = 207,695.72/x
  3. Step 3: Cross multiply
    252,179.30x = 378,195.14 × 207,695.72
  4. Step 4: Simplify right side
    252,179.30x = 78,549,511,902.80
  5. Step 5: Solve for x
    x = 78,549,511,902.80/252,179.30
  6. Step 6: Final answer
    x = 311,482.79

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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.