Home / 321,247.31-443,321.13-192,191.24

Finding the Fourth Proportional to 321,247.31, 443,321.13 and 192,191.24

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Solution

The fourth proportional to 321,247.31, 443,321.13 and 192,191.24 is: 265,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,247.31 : 443,321.13 = 192,191.24 : x
  2. Step 2: Convert to fraction form
    321,247.31/443,321.13 = 192,191.24/x
  3. Step 3: Cross multiply
    321,247.31x = 443,321.13 × 192,191.24
  4. Step 4: Simplify right side
    321,247.31x = 85,202,435,476.30
  5. Step 5: Solve for x
    x = 85,202,435,476.30/321,247.31
  6. Step 6: Final answer
    x = 265,223.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.