Home / 287,080.22-396,144.92-166,229.70

Finding the Fourth Proportional to 287,080.22, 396,144.92 and 166,229.70

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Solution

The fourth proportional to 287,080.22, 396,144.92 and 166,229.70 is: 229,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,080.22 : 396,144.92 = 166,229.70 : x
  2. Step 2: Convert to fraction form
    287,080.22/396,144.92 = 166,229.70/x
  3. Step 3: Cross multiply
    287,080.22x = 396,144.92 × 166,229.70
  4. Step 4: Simplify right side
    287,080.22x = 65,851,050,376.98
  5. Step 5: Solve for x
    x = 65,851,050,376.98/287,080.22
  6. Step 6: Final answer
    x = 229,382.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.