Home / 327,086.21-490,819.67-137,532.85

Finding the Fourth Proportional to 327,086.21, 490,819.67 and 137,532.85

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Solution

The fourth proportional to 327,086.21, 490,819.67 and 137,532.85 is: 206,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,086.21 : 490,819.67 = 137,532.85 : x
  2. Step 2: Convert to fraction form
    327,086.21/490,819.67 = 137,532.85/x
  3. Step 3: Cross multiply
    327,086.21x = 490,819.67 × 137,532.85
  4. Step 4: Simplify right side
    327,086.21x = 67,503,828,051.16
  5. Step 5: Solve for x
    x = 67,503,828,051.16/327,086.21
  6. Step 6: Final answer
    x = 206,379.32

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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.