Home / 204,435.20-306,069.60-181,107.20

Finding the Fourth Proportional to 204,435.20, 306,069.60 and 181,107.20

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Solution

The fourth proportional to 204,435.20, 306,069.60 and 181,107.20 is: 271,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,435.20 : 306,069.60 = 181,107.20 : x
  2. Step 2: Convert to fraction form
    204,435.20/306,069.60 = 181,107.20/x
  3. Step 3: Cross multiply
    204,435.20x = 306,069.60 × 181,107.20
  4. Step 4: Simplify right side
    204,435.20x = 55,431,408,261.12
  5. Step 5: Solve for x
    x = 55,431,408,261.12/204,435.20
  6. Step 6: Final answer
    x = 271,144.15

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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.