Home / 321,067.26-443,076.08-193,718.25

Finding the Fourth Proportional to 321,067.26, 443,076.08 and 193,718.25

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Solution

The fourth proportional to 321,067.26, 443,076.08 and 193,718.25 is: 267,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,067.26 : 443,076.08 = 193,718.25 : x
  2. Step 2: Convert to fraction form
    321,067.26/443,076.08 = 193,718.25/x
  3. Step 3: Cross multiply
    321,067.26x = 443,076.08 × 193,718.25
  4. Step 4: Simplify right side
    321,067.26x = 85,831,921,865.87
  5. Step 5: Solve for x
    x = 85,831,921,865.87/321,067.26
  6. Step 6: Final answer
    x = 267,333.15

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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.