Home / 327,802.95-491,778.41-100,118.97

Finding the Fourth Proportional to 327,802.95, 491,778.41 and 100,118.97

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Solution

The fourth proportional to 327,802.95, 491,778.41 and 100,118.97 is: 150,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,802.95 : 491,778.41 = 100,118.97 : x
  2. Step 2: Convert to fraction form
    327,802.95/491,778.41 = 100,118.97/x
  3. Step 3: Cross multiply
    327,802.95x = 491,778.41 × 100,118.97
  4. Step 4: Simplify right side
    327,802.95x = 49,236,347,877.44
  5. Step 5: Solve for x
    x = 49,236,347,877.44/327,802.95
  6. Step 6: Final answer
    x = 150,201.05

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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.