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Finding the Fourth Proportional to 239,387.73, 330,354.98 and 131,959.56

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Solution

The fourth proportional to 239,387.73, 330,354.98 and 131,959.56 is: 182,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,387.73 : 330,354.98 = 131,959.56 : x
  2. Step 2: Convert to fraction form
    239,387.73/330,354.98 = 131,959.56/x
  3. Step 3: Cross multiply
    239,387.73x = 330,354.98 × 131,959.56
  4. Step 4: Simplify right side
    239,387.73x = 43,593,497,144.81
  5. Step 5: Solve for x
    x = 43,593,497,144.81/239,387.73
  6. Step 6: Final answer
    x = 182,104.14

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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.