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Finding the Fourth Proportional to 440,082.40, 660,123.60 and 107,658.40

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Solution

The fourth proportional to 440,082.40, 660,123.60 and 107,658.40 is: 161,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,082.40 : 660,123.60 = 107,658.40 : x
  2. Step 2: Convert to fraction form
    440,082.40/660,123.60 = 107,658.40/x
  3. Step 3: Cross multiply
    440,082.40x = 660,123.60 × 107,658.40
  4. Step 4: Simplify right side
    440,082.40x = 71,067,850,578.24
  5. Step 5: Solve for x
    x = 71,067,850,578.24/440,082.40
  6. Step 6: Final answer
    x = 161,487.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.