Home / 321,050.39-443,052.79-193,701.38

Finding the Fourth Proportional to 321,050.39, 443,052.79 and 193,701.38

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Solution

The fourth proportional to 321,050.39, 443,052.79 and 193,701.38 is: 267,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,050.39 : 443,052.79 = 193,701.38 : x
  2. Step 2: Convert to fraction form
    321,050.39/443,052.79 = 193,701.38/x
  3. Step 3: Cross multiply
    321,050.39x = 443,052.79 × 193,701.38
  4. Step 4: Simplify right side
    321,050.39x = 85,819,934,136.33
  5. Step 5: Solve for x
    x = 85,819,934,136.33/321,050.39
  6. Step 6: Final answer
    x = 267,309.86

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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.