Home / 278,217.32-417,356.62-88,633.58

Finding the Fourth Proportional to 278,217.32, 417,356.62 and 88,633.58

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Solution

The fourth proportional to 278,217.32, 417,356.62 and 88,633.58 is: 132,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,217.32 : 417,356.62 = 88,633.58 : x
  2. Step 2: Convert to fraction form
    278,217.32/417,356.62 = 88,633.58/x
  3. Step 3: Cross multiply
    278,217.32x = 417,356.62 × 88,633.58
  4. Step 4: Simplify right side
    278,217.32x = 36,991,809,058.93
  5. Step 5: Solve for x
    x = 36,991,809,058.93/278,217.32
  6. Step 6: Final answer
    x = 132,960.13

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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.