Home / 240,475.28-331,962.18-143,713.28

Finding the Fourth Proportional to 240,475.28, 331,962.18 and 143,713.28

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Solution

The fourth proportional to 240,475.28, 331,962.18 and 143,713.28 is: 198,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,475.28 : 331,962.18 = 143,713.28 : x
  2. Step 2: Convert to fraction form
    240,475.28/331,962.18 = 143,713.28/x
  3. Step 3: Cross multiply
    240,475.28x = 331,962.18 × 143,713.28
  4. Step 4: Simplify right side
    240,475.28x = 47,707,373,723.75
  5. Step 5: Solve for x
    x = 47,707,373,723.75/240,475.28
  6. Step 6: Final answer
    x = 198,387.85

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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.