Home / 321,090.75-443,105.24-177,860.02

Finding the Fourth Proportional to 321,090.75, 443,105.24 and 177,860.02

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Solution

The fourth proportional to 321,090.75, 443,105.24 and 177,860.02 is: 245,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,090.75 : 443,105.24 = 177,860.02 : x
  2. Step 2: Convert to fraction form
    321,090.75/443,105.24 = 177,860.02/x
  3. Step 3: Cross multiply
    321,090.75x = 443,105.24 × 177,860.02
  4. Step 4: Simplify right side
    321,090.75x = 78,810,705,682.26
  5. Step 5: Solve for x
    x = 78,810,705,682.26/321,090.75
  6. Step 6: Final answer
    x = 245,446.83

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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.