Home / 265,087.10-396,755.85-205,600.70

Finding the Fourth Proportional to 265,087.10, 396,755.85 and 205,600.70

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Solution

The fourth proportional to 265,087.10, 396,755.85 and 205,600.70 is: 307,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,087.10 : 396,755.85 = 205,600.70 : x
  2. Step 2: Convert to fraction form
    265,087.10/396,755.85 = 205,600.70/x
  3. Step 3: Cross multiply
    265,087.10x = 396,755.85 × 205,600.70
  4. Step 4: Simplify right side
    265,087.10x = 81,573,280,489.10
  5. Step 5: Solve for x
    x = 81,573,280,489.10/265,087.10
  6. Step 6: Final answer
    x = 307,722.56

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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.