Home / 268,833.11-403,250.79-108,912.15

Finding the Fourth Proportional to 268,833.11, 403,250.79 and 108,912.15

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Solution

The fourth proportional to 268,833.11, 403,250.79 and 108,912.15 is: 163,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,833.11 : 403,250.79 = 108,912.15 : x
  2. Step 2: Convert to fraction form
    268,833.11/403,250.79 = 108,912.15/x
  3. Step 3: Cross multiply
    268,833.11x = 403,250.79 × 108,912.15
  4. Step 4: Simplify right side
    268,833.11x = 43,918,910,528.10
  5. Step 5: Solve for x
    x = 43,918,910,528.10/268,833.11
  6. Step 6: Final answer
    x = 163,368.68

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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.