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Finding the Fourth Proportional to 437,338.80, 656,005.53 and 113,126.88

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Solution

The fourth proportional to 437,338.80, 656,005.53 and 113,126.88 is: 169,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,338.80 : 656,005.53 = 113,126.88 : x
  2. Step 2: Convert to fraction form
    437,338.80/656,005.53 = 113,126.88/x
  3. Step 3: Cross multiply
    437,338.80x = 656,005.53 × 113,126.88
  4. Step 4: Simplify right side
    437,338.80x = 74,211,858,871.65
  5. Step 5: Solve for x
    x = 74,211,858,871.65/437,338.80
  6. Step 6: Final answer
    x = 169,689.63

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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.