Home / 220,938.20-331,067.10-164,513.60

Finding the Fourth Proportional to 220,938.20, 331,067.10 and 164,513.60

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Solution

The fourth proportional to 220,938.20, 331,067.10 and 164,513.60 is: 246,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,938.20 : 331,067.10 = 164,513.60 : x
  2. Step 2: Convert to fraction form
    220,938.20/331,067.10 = 164,513.60/x
  3. Step 3: Cross multiply
    220,938.20x = 331,067.10 × 164,513.60
  4. Step 4: Simplify right side
    220,938.20x = 54,465,040,462.56
  5. Step 5: Solve for x
    x = 54,465,040,462.56/220,938.20
  6. Step 6: Final answer
    x = 246,517.08

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1.5x scale

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.