Home / 220,837.20-331,261.22-80,595.80

Finding the Fourth Proportional to 220,837.20, 331,261.22 and 80,595.80

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Solution

The fourth proportional to 220,837.20, 331,261.22 and 80,595.80 is: 120,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,837.20 : 331,261.22 = 80,595.80 : x
  2. Step 2: Convert to fraction form
    220,837.20/331,261.22 = 80,595.80/x
  3. Step 3: Cross multiply
    220,837.20x = 331,261.22 × 80,595.80
  4. Step 4: Simplify right side
    220,837.20x = 26,698,263,034.88
  5. Step 5: Solve for x
    x = 26,698,263,034.88/220,837.20
  6. Step 6: Final answer
    x = 120,895.68

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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.