Home / 327,119.45-490,519.13-134,958.15

Finding the Fourth Proportional to 327,119.45, 490,519.13 and 134,958.15

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Solution

The fourth proportional to 327,119.45, 490,519.13 and 134,958.15 is: 202,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,119.45 : 490,519.13 = 134,958.15 : x
  2. Step 2: Convert to fraction form
    327,119.45/490,519.13 = 134,958.15/x
  3. Step 3: Cross multiply
    327,119.45x = 490,519.13 × 134,958.15
  4. Step 4: Simplify right side
    327,119.45x = 66,199,553,649.62
  5. Step 5: Solve for x
    x = 66,199,553,649.62/327,119.45
  6. Step 6: Final answer
    x = 202,371.20

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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.