Home / 327,736.35-491,671.98-138,197.25

Finding the Fourth Proportional to 327,736.35, 491,671.98 and 138,197.25

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Solution

The fourth proportional to 327,736.35, 491,671.98 and 138,197.25 is: 207,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,736.35 : 491,671.98 = 138,197.25 : x
  2. Step 2: Convert to fraction form
    327,736.35/491,671.98 = 138,197.25/x
  3. Step 3: Cross multiply
    327,736.35x = 491,671.98 × 138,197.25
  4. Step 4: Simplify right side
    327,736.35x = 67,947,715,538.06
  5. Step 5: Solve for x
    x = 67,947,715,538.06/327,736.35
  6. Step 6: Final answer
    x = 207,324.32

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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.