Home / 278,185.02-417,310.29-88,579.02

Finding the Fourth Proportional to 278,185.02, 417,310.29 and 88,579.02

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Solution

The fourth proportional to 278,185.02, 417,310.29 and 88,579.02 is: 132,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,185.02 : 417,310.29 = 88,579.02 : x
  2. Step 2: Convert to fraction form
    278,185.02/417,310.29 = 88,579.02/x
  3. Step 3: Cross multiply
    278,185.02x = 417,310.29 × 88,579.02
  4. Step 4: Simplify right side
    278,185.02x = 36,964,936,524.12
  5. Step 5: Solve for x
    x = 36,964,936,524.12/278,185.02
  6. Step 6: Final answer
    x = 132,878.96

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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.