Home / 220,600.20-331,067.16-161,589.27

Finding the Fourth Proportional to 220,600.20, 331,067.16 and 161,589.27

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Solution

The fourth proportional to 220,600.20, 331,067.16 and 161,589.27 is: 242,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,600.20 : 331,067.16 = 161,589.27 : x
  2. Step 2: Convert to fraction form
    220,600.20/331,067.16 = 161,589.27/x
  3. Step 3: Cross multiply
    220,600.20x = 331,067.16 × 161,589.27
  4. Step 4: Simplify right side
    220,600.20x = 53,496,900,705.37
  5. Step 5: Solve for x
    x = 53,496,900,705.37/220,600.20
  6. Step 6: Final answer
    x = 242,506.13

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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.