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Finding the Fourth Proportional to 242,158.71, 363,238.43 and 115,769.25

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Solution

The fourth proportional to 242,158.71, 363,238.43 and 115,769.25 is: 173,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,158.71 : 363,238.43 = 115,769.25 : x
  2. Step 2: Convert to fraction form
    242,158.71/363,238.43 = 115,769.25/x
  3. Step 3: Cross multiply
    242,158.71x = 363,238.43 × 115,769.25
  4. Step 4: Simplify right side
    242,158.71x = 42,051,840,033.43
  5. Step 5: Solve for x
    x = 42,051,840,033.43/242,158.71
  6. Step 6: Final answer
    x = 173,654.04

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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.