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Finding the Fourth Proportional to 252,305.82, 378,721.17 and 185,821.02

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Solution

The fourth proportional to 252,305.82, 378,721.17 and 185,821.02 is: 278,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,305.82 : 378,721.17 = 185,821.02 : x
  2. Step 2: Convert to fraction form
    252,305.82/378,721.17 = 185,821.02/x
  3. Step 3: Cross multiply
    252,305.82x = 378,721.17 × 185,821.02
  4. Step 4: Simplify right side
    252,305.82x = 70,374,354,104.99
  5. Step 5: Solve for x
    x = 70,374,354,104.99/252,305.82
  6. Step 6: Final answer
    x = 278,924.81

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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.