Home / 327,452.80-491,328.24-158,882.08

Finding the Fourth Proportional to 327,452.80, 491,328.24 and 158,882.08

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Solution

The fourth proportional to 327,452.80, 491,328.24 and 158,882.08 is: 238,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,452.80 : 491,328.24 = 158,882.08 : x
  2. Step 2: Convert to fraction form
    327,452.80/491,328.24 = 158,882.08/x
  3. Step 3: Cross multiply
    327,452.80x = 491,328.24 × 158,882.08
  4. Step 4: Simplify right side
    327,452.80x = 78,063,252,733.94
  5. Step 5: Solve for x
    x = 78,063,252,733.94/327,452.80
  6. Step 6: Final answer
    x = 238,395.44

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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.