Home / 537,997.20-806,688.60-222,080.40

Finding the Fourth Proportional to 537,997.20, 806,688.60 and 222,080.40

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Solution

The fourth proportional to 537,997.20, 806,688.60 and 222,080.40 is: 332,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,997.20 : 806,688.60 = 222,080.40 : x
  2. Step 2: Convert to fraction form
    537,997.20/806,688.60 = 222,080.40/x
  3. Step 3: Cross multiply
    537,997.20x = 806,688.60 × 222,080.40
  4. Step 4: Simplify right side
    537,997.20x = 179,149,726,963.44
  5. Step 5: Solve for x
    x = 179,149,726,963.44/537,997.20
  6. Step 6: Final answer
    x = 332,993.79

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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.