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Finding the Fourth Proportional to 135,238.40, 202,886.40 and 41,753.60

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Solution

The fourth proportional to 135,238.40, 202,886.40 and 41,753.60 is: 62,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,238.40 : 202,886.40 = 41,753.60 : x
  2. Step 2: Convert to fraction form
    135,238.40/202,886.40 = 41,753.60/x
  3. Step 3: Cross multiply
    135,238.40x = 202,886.40 × 41,753.60
  4. Step 4: Simplify right side
    135,238.40x = 8,471,237,591.04
  5. Step 5: Solve for x
    x = 8,471,237,591.04/135,238.40
  6. Step 6: Final answer
    x = 62,639.29

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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.