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Finding the Fourth Proportional to 100,344.91, 150,566.28 and 44,177.89

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Solution

The fourth proportional to 100,344.91, 150,566.28 and 44,177.89 is: 66,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,344.91 : 150,566.28 = 44,177.89 : x
  2. Step 2: Convert to fraction form
    100,344.91/150,566.28 = 44,177.89/x
  3. Step 3: Cross multiply
    100,344.91x = 150,566.28 × 44,177.89
  4. Step 4: Simplify right side
    100,344.91x = 6,651,700,555.55
  5. Step 5: Solve for x
    x = 6,651,700,555.55/100,344.91
  6. Step 6: Final answer
    x = 66,288.37

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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.