Home / 308,167.11-425,262.45-172,202.18

Finding the Fourth Proportional to 308,167.11, 425,262.45 and 172,202.18

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Solution

The fourth proportional to 308,167.11, 425,262.45 and 172,202.18 is: 237,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,167.11 : 425,262.45 = 172,202.18 : x
  2. Step 2: Convert to fraction form
    308,167.11/425,262.45 = 172,202.18/x
  3. Step 3: Cross multiply
    308,167.11x = 425,262.45 × 172,202.18
  4. Step 4: Simplify right side
    308,167.11x = 73,231,119,481.59
  5. Step 5: Solve for x
    x = 73,231,119,481.59/308,167.11
  6. Step 6: Final answer
    x = 237,634.44

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1.5x scale

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.