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Finding the Fourth Proportional to 331,241.01, 496,861.67 and 106,601.42

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Solution

The fourth proportional to 331,241.01, 496,861.67 and 106,601.42 is: 159,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,241.01 : 496,861.67 = 106,601.42 : x
  2. Step 2: Convert to fraction form
    331,241.01/496,861.67 = 106,601.42/x
  3. Step 3: Cross multiply
    331,241.01x = 496,861.67 × 106,601.42
  4. Step 4: Simplify right side
    331,241.01x = 52,966,159,565.57
  5. Step 5: Solve for x
    x = 52,966,159,565.57/331,241.01
  6. Step 6: Final answer
    x = 159,902.18

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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.