Home / 268,728.54-403,145.61-88,806.68

Finding the Fourth Proportional to 268,728.54, 403,145.61 and 88,806.68

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Solution

The fourth proportional to 268,728.54, 403,145.61 and 88,806.68 is: 133,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,728.54 : 403,145.61 = 88,806.68 : x
  2. Step 2: Convert to fraction form
    268,728.54/403,145.61 = 88,806.68/x
  3. Step 3: Cross multiply
    268,728.54x = 403,145.61 × 88,806.68
  4. Step 4: Simplify right side
    268,728.54x = 35,802,022,343.72
  5. Step 5: Solve for x
    x = 35,802,022,343.72/268,728.54
  6. Step 6: Final answer
    x = 133,227.47

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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.