Home / 281,678.39-422,222.33-104,072.12

Finding the Fourth Proportional to 281,678.39, 422,222.33 and 104,072.12

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Solution

The fourth proportional to 281,678.39, 422,222.33 and 104,072.12 is: 155,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,678.39 : 422,222.33 = 104,072.12 : x
  2. Step 2: Convert to fraction form
    281,678.39/422,222.33 = 104,072.12/x
  3. Step 3: Cross multiply
    281,678.39x = 422,222.33 × 104,072.12
  4. Step 4: Simplify right side
    281,678.39x = 43,941,571,504.96
  5. Step 5: Solve for x
    x = 43,941,571,504.96/281,678.39
  6. Step 6: Final answer
    x = 155,999.09

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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.