Home / 440,523.20-660,642.24-124,895.36

Finding the Fourth Proportional to 440,523.20, 660,642.24 and 124,895.36

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Solution

The fourth proportional to 440,523.20, 660,642.24 and 124,895.36 is: 187,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,523.20 : 660,642.24 = 124,895.36 : x
  2. Step 2: Convert to fraction form
    440,523.20/660,642.24 = 124,895.36/x
  3. Step 3: Cross multiply
    440,523.20x = 660,642.24 × 124,895.36
  4. Step 4: Simplify right side
    440,523.20x = 82,511,150,396.01
  5. Step 5: Solve for x
    x = 82,511,150,396.01/440,523.20
  6. Step 6: Final answer
    x = 187,302.62

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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.