Home / 281,733.28-422,669.26-82,055.56

Finding the Fourth Proportional to 281,733.28, 422,669.26 and 82,055.56

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Solution

The fourth proportional to 281,733.28, 422,669.26 and 82,055.56 is: 123,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,733.28 : 422,669.26 = 82,055.56 : x
  2. Step 2: Convert to fraction form
    281,733.28/422,669.26 = 82,055.56/x
  3. Step 3: Cross multiply
    281,733.28x = 422,669.26 × 82,055.56
  4. Step 4: Simplify right side
    281,733.28x = 34,682,362,824.09
  5. Step 5: Solve for x
    x = 34,682,362,824.09/281,733.28
  6. Step 6: Final answer
    x = 123,103.54

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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.