Home / 278,161.32-417,274.56-88,555.28

Finding the Fourth Proportional to 278,161.32, 417,274.56 and 88,555.28

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Solution

The fourth proportional to 278,161.32, 417,274.56 and 88,555.28 is: 132,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,161.32 : 417,274.56 = 88,555.28 : x
  2. Step 2: Convert to fraction form
    278,161.32/417,274.56 = 88,555.28/x
  3. Step 3: Cross multiply
    278,161.32x = 417,274.56 × 88,555.28
  4. Step 4: Simplify right side
    278,161.32x = 36,951,865,497.68
  5. Step 5: Solve for x
    x = 36,951,865,497.68/278,161.32
  6. Step 6: Final answer
    x = 132,843.29

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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.