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Finding the Fourth Proportional to 242,854.80, 335,082.60 and 147,359.28

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Solution

The fourth proportional to 242,854.80, 335,082.60 and 147,359.28 is: 203,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,854.80 : 335,082.60 = 147,359.28 : x
  2. Step 2: Convert to fraction form
    242,854.80/335,082.60 = 147,359.28/x
  3. Step 3: Cross multiply
    242,854.80x = 335,082.60 × 147,359.28
  4. Step 4: Simplify right side
    242,854.80x = 49,377,530,676.53
  5. Step 5: Solve for x
    x = 49,377,530,676.53/242,854.80
  6. Step 6: Final answer
    x = 203,321.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.