Home / 327,120.45-490,520.62-134,959.15

Finding the Fourth Proportional to 327,120.45, 490,520.62 and 134,959.15

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Solution

The fourth proportional to 327,120.45, 490,520.62 and 134,959.15 is: 202,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,120.45 : 490,520.62 = 134,959.15 : x
  2. Step 2: Convert to fraction form
    327,120.45/490,520.62 = 134,959.15/x
  3. Step 3: Cross multiply
    327,120.45x = 490,520.62 × 134,959.15
  4. Step 4: Simplify right side
    327,120.45x = 66,200,245,932.67
  5. Step 5: Solve for x
    x = 66,200,245,932.67/327,120.45
  6. Step 6: Final answer
    x = 202,372.69

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1.5x scale

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.