Home / 327,505.36-491,257.96-90,848.04

Finding the Fourth Proportional to 327,505.36, 491,257.96 and 90,848.04

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Solution

The fourth proportional to 327,505.36, 491,257.96 and 90,848.04 is: 136,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,505.36 : 491,257.96 = 90,848.04 : x
  2. Step 2: Convert to fraction form
    327,505.36/491,257.96 = 90,848.04/x
  3. Step 3: Cross multiply
    327,505.36x = 491,257.96 × 90,848.04
  4. Step 4: Simplify right side
    327,505.36x = 44,629,822,800.40
  5. Step 5: Solve for x
    x = 44,629,822,800.40/327,505.36
  6. Step 6: Final answer
    x = 136,272.04

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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.