Home / 227,612.20-340,640.70-199,618.60

Finding the Fourth Proportional to 227,612.20, 340,640.70 and 199,618.60

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Solution

The fourth proportional to 227,612.20, 340,640.70 and 199,618.60 is: 298,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,612.20 : 340,640.70 = 199,618.60 : x
  2. Step 2: Convert to fraction form
    227,612.20/340,640.70 = 199,618.60/x
  3. Step 3: Cross multiply
    227,612.20x = 340,640.70 × 199,618.60
  4. Step 4: Simplify right side
    227,612.20x = 67,998,219,637.02
  5. Step 5: Solve for x
    x = 67,998,219,637.02/227,612.20
  6. Step 6: Final answer
    x = 298,745.94

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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.