Home / 278,217.54-417,321.66-88,675.32

Finding the Fourth Proportional to 278,217.54, 417,321.66 and 88,675.32

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Solution

The fourth proportional to 278,217.54, 417,321.66 and 88,675.32 is: 133,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,217.54 : 417,321.66 = 88,675.32 : x
  2. Step 2: Convert to fraction form
    278,217.54/417,321.66 = 88,675.32/x
  3. Step 3: Cross multiply
    278,217.54x = 417,321.66 × 88,675.32
  4. Step 4: Simplify right side
    278,217.54x = 37,006,131,743.43
  5. Step 5: Solve for x
    x = 37,006,131,743.43/278,217.54
  6. Step 6: Final answer
    x = 133,011.50

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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.