Home / 252,298.38-378,447.56-102,620.10

Finding the Fourth Proportional to 252,298.38, 378,447.56 and 102,620.10

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Solution

The fourth proportional to 252,298.38, 378,447.56 and 102,620.10 is: 153,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,298.38 : 378,447.56 = 102,620.10 : x
  2. Step 2: Convert to fraction form
    252,298.38/378,447.56 = 102,620.10/x
  3. Step 3: Cross multiply
    252,298.38x = 378,447.56 × 102,620.10
  4. Step 4: Simplify right side
    252,298.38x = 38,836,324,816.27
  5. Step 5: Solve for x
    x = 38,836,324,816.27/252,298.38
  6. Step 6: Final answer
    x = 153,930.14

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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.