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Finding the Fourth Proportional to 440,403.12, 660,604.68 and 124,862.76

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Solution

The fourth proportional to 440,403.12, 660,604.68 and 124,862.76 is: 187,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,403.12 : 660,604.68 = 124,862.76 : x
  2. Step 2: Convert to fraction form
    440,403.12/660,604.68 = 124,862.76/x
  3. Step 3: Cross multiply
    440,403.12x = 660,604.68 × 124,862.76
  4. Step 4: Simplify right side
    440,403.12x = 82,484,923,613.72
  5. Step 5: Solve for x
    x = 82,484,923,613.72/440,403.12
  6. Step 6: Final answer
    x = 187,294.14

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1.5x scale

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.