Home / 361,270.20-498,546.62-200,121.86

Finding the Fourth Proportional to 361,270.20, 498,546.62 and 200,121.86

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Solution

The fourth proportional to 361,270.20, 498,546.62 and 200,121.86 is: 276,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,270.20 : 498,546.62 = 200,121.86 : x
  2. Step 2: Convert to fraction form
    361,270.20/498,546.62 = 200,121.86/x
  3. Step 3: Cross multiply
    361,270.20x = 498,546.62 × 200,121.86
  4. Step 4: Simplify right side
    361,270.20x = 99,770,076,891.11
  5. Step 5: Solve for x
    x = 99,770,076,891.11/361,270.20
  6. Step 6: Final answer
    x = 276,164.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.