Home / 252,680.28-378,994.92-84,182.54

Finding the Fourth Proportional to 252,680.28, 378,994.92 and 84,182.54

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Solution

The fourth proportional to 252,680.28, 378,994.92 and 84,182.54 is: 126,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,680.28 : 378,994.92 = 84,182.54 : x
  2. Step 2: Convert to fraction form
    252,680.28/378,994.92 = 84,182.54/x
  3. Step 3: Cross multiply
    252,680.28x = 378,994.92 × 84,182.54
  4. Step 4: Simplify right side
    252,680.28x = 31,904,753,117.72
  5. Step 5: Solve for x
    x = 31,904,753,117.72/252,680.28
  6. Step 6: Final answer
    x = 126,265.31

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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.