Home / 327,867.40-491,801.10-180,411.40

Finding the Fourth Proportional to 327,867.40, 491,801.10 and 180,411.40

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Solution

The fourth proportional to 327,867.40, 491,801.10 and 180,411.40 is: 270,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,867.40 : 491,801.10 = 180,411.40 : x
  2. Step 2: Convert to fraction form
    327,867.40/491,801.10 = 180,411.40/x
  3. Step 3: Cross multiply
    327,867.40x = 491,801.10 × 180,411.40
  4. Step 4: Simplify right side
    327,867.40x = 88,726,524,972.54
  5. Step 5: Solve for x
    x = 88,726,524,972.54/327,867.40
  6. Step 6: Final answer
    x = 270,617.10

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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.