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Finding the Fourth Proportional to 239,571.68, 330,443.15 and 194,251.59

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Solution

The fourth proportional to 239,571.68, 330,443.15 and 194,251.59 is: 267,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,571.68 : 330,443.15 = 194,251.59 : x
  2. Step 2: Convert to fraction form
    239,571.68/330,443.15 = 194,251.59/x
  3. Step 3: Cross multiply
    239,571.68x = 330,443.15 × 194,251.59
  4. Step 4: Simplify right side
    239,571.68x = 64,189,106,320.85
  5. Step 5: Solve for x
    x = 64,189,106,320.85/239,571.68
  6. Step 6: Final answer
    x = 267,932.79

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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.