Home / 220,887.20-331,330.80-204,648.73

Finding the Fourth Proportional to 220,887.20, 331,330.80 and 204,648.73

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Solution

The fourth proportional to 220,887.20, 331,330.80 and 204,648.73 is: 306,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,887.20 : 331,330.80 = 204,648.73 : x
  2. Step 2: Convert to fraction form
    220,887.20/331,330.80 = 204,648.73/x
  3. Step 3: Cross multiply
    220,887.20x = 331,330.80 × 204,648.73
  4. Step 4: Simplify right side
    220,887.20x = 67,806,425,773.23
  5. Step 5: Solve for x
    x = 67,806,425,773.23/220,887.20
  6. Step 6: Final answer
    x = 306,973.09

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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.