Home / 331,027.22-496,845.25-256,625.48

Finding the Fourth Proportional to 331,027.22, 496,845.25 and 256,625.48

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Solution

The fourth proportional to 331,027.22, 496,845.25 and 256,625.48 is: 385,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,027.22 : 496,845.25 = 256,625.48 : x
  2. Step 2: Convert to fraction form
    331,027.22/496,845.25 = 256,625.48/x
  3. Step 3: Cross multiply
    331,027.22x = 496,845.25 × 256,625.48
  4. Step 4: Simplify right side
    331,027.22x = 127,503,149,084.70
  5. Step 5: Solve for x
    x = 127,503,149,084.70/331,027.22
  6. Step 6: Final answer
    x = 385,174.22

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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.