Home / 281,584.22-422,377.73-71,222.36

Finding the Fourth Proportional to 281,584.22, 422,377.73 and 71,222.36

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Solution

The fourth proportional to 281,584.22, 422,377.73 and 71,222.36 is: 106,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,584.22 : 422,377.73 = 71,222.36 : x
  2. Step 2: Convert to fraction form
    281,584.22/422,377.73 = 71,222.36/x
  3. Step 3: Cross multiply
    281,584.22x = 422,377.73 × 71,222.36
  4. Step 4: Simplify right side
    281,584.22x = 30,082,736,274.04
  5. Step 5: Solve for x
    x = 30,082,736,274.04/281,584.22
  6. Step 6: Final answer
    x = 106,833.89

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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.