Home / 204,317.20-305,892.60-180,989.20

Finding the Fourth Proportional to 204,317.20, 305,892.60 and 180,989.20

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Solution

The fourth proportional to 204,317.20, 305,892.60 and 180,989.20 is: 270,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,317.20 : 305,892.60 = 180,989.20 : x
  2. Step 2: Convert to fraction form
    204,317.20/305,892.60 = 180,989.20/x
  3. Step 3: Cross multiply
    204,317.20x = 305,892.60 × 180,989.20
  4. Step 4: Simplify right side
    204,317.20x = 55,363,256,959.92
  5. Step 5: Solve for x
    x = 55,363,256,959.92/204,317.20
  6. Step 6: Final answer
    x = 270,967.19

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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.