Home / 281,578.26-388,517.50-166,892.78

Finding the Fourth Proportional to 281,578.26, 388,517.50 and 166,892.78

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Solution

The fourth proportional to 281,578.26, 388,517.50 and 166,892.78 is: 230,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,578.26 : 388,517.50 = 166,892.78 : x
  2. Step 2: Convert to fraction form
    281,578.26/388,517.50 = 166,892.78/x
  3. Step 3: Cross multiply
    281,578.26x = 388,517.50 × 166,892.78
  4. Step 4: Simplify right side
    281,578.26x = 64,840,765,653.65
  5. Step 5: Solve for x
    x = 64,840,765,653.65/281,578.26
  6. Step 6: Final answer
    x = 230,276.18

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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.