Home / 268,659.75-403,004.14-68,981.88

Finding the Fourth Proportional to 268,659.75, 403,004.14 and 68,981.88

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Solution

The fourth proportional to 268,659.75, 403,004.14 and 68,981.88 is: 103,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,659.75 : 403,004.14 = 68,981.88 : x
  2. Step 2: Convert to fraction form
    268,659.75/403,004.14 = 68,981.88/x
  3. Step 3: Cross multiply
    268,659.75x = 403,004.14 × 68,981.88
  4. Step 4: Simplify right side
    268,659.75x = 27,799,982,684.92
  5. Step 5: Solve for x
    x = 27,799,982,684.92/268,659.75
  6. Step 6: Final answer
    x = 103,476.54

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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.