Home / 281,343.12-388,284.48-179,372.28

Finding the Fourth Proportional to 281,343.12, 388,284.48 and 179,372.28

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Solution

The fourth proportional to 281,343.12, 388,284.48 and 179,372.28 is: 247,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,343.12 : 388,284.48 = 179,372.28 : x
  2. Step 2: Convert to fraction form
    281,343.12/388,284.48 = 179,372.28/x
  3. Step 3: Cross multiply
    281,343.12x = 388,284.48 × 179,372.28
  4. Step 4: Simplify right side
    281,343.12x = 69,647,472,466.21
  5. Step 5: Solve for x
    x = 69,647,472,466.21/281,343.12
  6. Step 6: Final answer
    x = 247,553.49

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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.