Home / 252,306.76-378,533.19-74,818.04

Finding the Fourth Proportional to 252,306.76, 378,533.19 and 74,818.04

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Solution

The fourth proportional to 252,306.76, 378,533.19 and 74,818.04 is: 112,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,306.76 : 378,533.19 = 74,818.04 : x
  2. Step 2: Convert to fraction form
    252,306.76/378,533.19 = 74,818.04/x
  3. Step 3: Cross multiply
    252,306.76x = 378,533.19 × 74,818.04
  4. Step 4: Simplify right side
    252,306.76x = 28,321,109,458.08
  5. Step 5: Solve for x
    x = 28,321,109,458.08/252,306.76
  6. Step 6: Final answer
    x = 112,248.72

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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.