Home / 278,517.53-417,836.26-88,933.33

Finding the Fourth Proportional to 278,517.53, 417,836.26 and 88,933.33

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Solution

The fourth proportional to 278,517.53, 417,836.26 and 88,933.33 is: 133,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,517.53 : 417,836.26 = 88,933.33 : x
  2. Step 2: Convert to fraction form
    278,517.53/417,836.26 = 88,933.33/x
  3. Step 3: Cross multiply
    278,517.53x = 417,836.26 × 88,933.33
  4. Step 4: Simplify right side
    278,517.53x = 37,159,569,917.36
  5. Step 5: Solve for x
    x = 37,159,569,917.36/278,517.53
  6. Step 6: Final answer
    x = 133,419.14

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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.