Home / 281,202.87-388,067.59-172,305.33

Finding the Fourth Proportional to 281,202.87, 388,067.59 and 172,305.33

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Solution

The fourth proportional to 281,202.87, 388,067.59 and 172,305.33 is: 237,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,202.87 : 388,067.59 = 172,305.33 : x
  2. Step 2: Convert to fraction form
    281,202.87/388,067.59 = 172,305.33/x
  3. Step 3: Cross multiply
    281,202.87x = 388,067.59 × 172,305.33
  4. Step 4: Simplify right side
    281,202.87x = 66,866,114,157.25
  5. Step 5: Solve for x
    x = 66,866,114,157.25/281,202.87
  6. Step 6: Final answer
    x = 237,786.03

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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.