Home / 263,634.38-395,519.00-76,645.88

Finding the Fourth Proportional to 263,634.38, 395,519.00 and 76,645.88

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Solution

The fourth proportional to 263,634.38, 395,519.00 and 76,645.88 is: 114,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,634.38 : 395,519.00 = 76,645.88 : x
  2. Step 2: Convert to fraction form
    263,634.38/395,519.00 = 76,645.88/x
  3. Step 3: Cross multiply
    263,634.38x = 395,519.00 × 76,645.88
  4. Step 4: Simplify right side
    263,634.38x = 30,314,899,450.90
  5. Step 5: Solve for x
    x = 30,314,899,450.90/263,634.38
  6. Step 6: Final answer
    x = 114,988.42

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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.