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Finding the Fourth Proportional to 486,224.92, 729,311.01 and 149,265.64

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Solution

The fourth proportional to 486,224.92, 729,311.01 and 149,265.64 is: 223,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,224.92 : 729,311.01 = 149,265.64 : x
  2. Step 2: Convert to fraction form
    486,224.92/729,311.01 = 149,265.64/x
  3. Step 3: Cross multiply
    486,224.92x = 729,311.01 × 149,265.64
  4. Step 4: Simplify right side
    486,224.92x = 108,861,071,020.14
  5. Step 5: Solve for x
    x = 108,861,071,020.14/486,224.92
  6. Step 6: Final answer
    x = 223,890.36

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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.