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Finding the Fourth Proportional to 275,236.89, 412,855.97 and 75,560.01

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Solution

The fourth proportional to 275,236.89, 412,855.97 and 75,560.01 is: 113,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,236.89 : 412,855.97 = 75,560.01 : x
  2. Step 2: Convert to fraction form
    275,236.89/412,855.97 = 75,560.01/x
  3. Step 3: Cross multiply
    275,236.89x = 412,855.97 × 75,560.01
  4. Step 4: Simplify right side
    275,236.89x = 31,195,400,843.96
  5. Step 5: Solve for x
    x = 31,195,400,843.96/275,236.89
  6. Step 6: Final answer
    x = 113,340.19

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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.