Home / 443,494.22-665,231.90-143,974.38

Finding the Fourth Proportional to 443,494.22, 665,231.90 and 143,974.38

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Solution

The fourth proportional to 443,494.22, 665,231.90 and 143,974.38 is: 215,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,494.22 : 665,231.90 = 143,974.38 : x
  2. Step 2: Convert to fraction form
    443,494.22/665,231.90 = 143,974.38/x
  3. Step 3: Cross multiply
    443,494.22x = 665,231.90 × 143,974.38
  4. Step 4: Simplify right side
    443,494.22x = 95,776,350,358.72
  5. Step 5: Solve for x
    x = 95,776,350,358.72/443,494.22
  6. Step 6: Final answer
    x = 215,958.51

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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.