Home / 327,600.73-491,403.83-90,961.86

Finding the Fourth Proportional to 327,600.73, 491,403.83 and 90,961.86

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Solution

The fourth proportional to 327,600.73, 491,403.83 and 90,961.86 is: 136,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,600.73 : 491,403.83 = 90,961.86 : x
  2. Step 2: Convert to fraction form
    327,600.73/491,403.83 = 90,961.86/x
  3. Step 3: Cross multiply
    327,600.73x = 491,403.83 × 90,961.86
  4. Step 4: Simplify right side
    327,600.73x = 44,699,006,387.92
  5. Step 5: Solve for x
    x = 44,699,006,387.92/327,600.73
  6. Step 6: Final answer
    x = 136,443.55

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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.