Home / 361,242.20-498,532.26-217,999.88

Finding the Fourth Proportional to 361,242.20, 498,532.26 and 217,999.88

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Solution

The fourth proportional to 361,242.20, 498,532.26 and 217,999.88 is: 300,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,242.20 : 498,532.26 = 217,999.88 : x
  2. Step 2: Convert to fraction form
    361,242.20/498,532.26 = 217,999.88/x
  3. Step 3: Cross multiply
    361,242.20x = 498,532.26 × 217,999.88
  4. Step 4: Simplify right side
    361,242.20x = 108,679,972,856.13
  5. Step 5: Solve for x
    x = 108,679,972,856.13/361,242.20
  6. Step 6: Final answer
    x = 300,850.71

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1.5x scale

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.