Home / 252,708.48-378,735.52-102,774.61

Finding the Fourth Proportional to 252,708.48, 378,735.52 and 102,774.61

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Solution

The fourth proportional to 252,708.48, 378,735.52 and 102,774.61 is: 154,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,708.48 : 378,735.52 = 102,774.61 : x
  2. Step 2: Convert to fraction form
    252,708.48/378,735.52 = 102,774.61/x
  3. Step 3: Cross multiply
    252,708.48x = 378,735.52 × 102,774.61
  4. Step 4: Simplify right side
    252,708.48x = 38,924,394,847.27
  5. Step 5: Solve for x
    x = 38,924,394,847.27/252,708.48
  6. Step 6: Final answer
    x = 154,028.84

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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.