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Finding the Fourth Proportional to 252,499.85, 378,749.78 and 252,499.85

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Solution

The fourth proportional to 252,499.85, 378,749.78 and 252,499.85 is: 378,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,499.85 : 378,749.78 = 252,499.85 : x
  2. Step 2: Convert to fraction form
    252,499.85/378,749.78 = 252,499.85/x
  3. Step 3: Cross multiply
    252,499.85x = 378,749.78 × 252,499.85
  4. Step 4: Simplify right side
    252,499.85x = 95,634,261,375.03
  5. Step 5: Solve for x
    x = 95,634,261,375.03/252,499.85
  6. Step 6: Final answer
    x = 378,749.78

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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.