Home / 321,168.24-443,170.44-177,921.36

Finding the Fourth Proportional to 321,168.24, 443,170.44 and 177,921.36

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Solution

The fourth proportional to 321,168.24, 443,170.44 and 177,921.36 is: 245,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,168.24 : 443,170.44 = 177,921.36 : x
  2. Step 2: Convert to fraction form
    321,168.24/443,170.44 = 177,921.36/x
  3. Step 3: Cross multiply
    321,168.24x = 443,170.44 × 177,921.36
  4. Step 4: Simplify right side
    321,168.24x = 78,849,487,396.60
  5. Step 5: Solve for x
    x = 78,849,487,396.60/321,168.24
  6. Step 6: Final answer
    x = 245,508.36

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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.