Home / 252,214.32-378,432.91-132,242.59

Finding the Fourth Proportional to 252,214.32, 378,432.91 and 132,242.59

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Solution

The fourth proportional to 252,214.32, 378,432.91 and 132,242.59 is: 198,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,214.32 : 378,432.91 = 132,242.59 : x
  2. Step 2: Convert to fraction form
    252,214.32/378,432.91 = 132,242.59/x
  3. Step 3: Cross multiply
    252,214.32x = 378,432.91 × 132,242.59
  4. Step 4: Simplify right side
    252,214.32x = 50,044,948,797.98
  5. Step 5: Solve for x
    x = 50,044,948,797.98/252,214.32
  6. Step 6: Final answer
    x = 198,422.31

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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.