Home / 361,540.68-498,938.94-218,272.74

Finding the Fourth Proportional to 361,540.68, 498,938.94 and 218,272.74

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Solution

The fourth proportional to 361,540.68, 498,938.94 and 218,272.74 is: 301,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,540.68 : 498,938.94 = 218,272.74 : x
  2. Step 2: Convert to fraction form
    361,540.68/498,938.94 = 218,272.74/x
  3. Step 3: Cross multiply
    361,540.68x = 498,938.94 × 218,272.74
  4. Step 4: Simplify right side
    361,540.68x = 108,904,769,526.50
  5. Step 5: Solve for x
    x = 108,904,769,526.50/361,540.68
  6. Step 6: Final answer
    x = 301,224.11

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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.