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Finding the Fourth Proportional to 437,840.87, 656,761.30 and 201,382.43

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Solution

The fourth proportional to 437,840.87, 656,761.30 and 201,382.43 is: 302,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,840.87 : 656,761.30 = 201,382.43 : x
  2. Step 2: Convert to fraction form
    437,840.87/656,761.30 = 201,382.43/x
  3. Step 3: Cross multiply
    437,840.87x = 656,761.30 × 201,382.43
  4. Step 4: Simplify right side
    437,840.87x = 132,260,182,736.70
  5. Step 5: Solve for x
    x = 132,260,182,736.70/437,840.87
  6. Step 6: Final answer
    x = 302,073.64

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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.