Home / 274,684.21-412,144.72-148,299.36

Finding the Fourth Proportional to 274,684.21, 412,144.72 and 148,299.36

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Solution

The fourth proportional to 274,684.21, 412,144.72 and 148,299.36 is: 222,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,684.21 : 412,144.72 = 148,299.36 : x
  2. Step 2: Convert to fraction form
    274,684.21/412,144.72 = 148,299.36/x
  3. Step 3: Cross multiply
    274,684.21x = 412,144.72 × 148,299.36
  4. Step 4: Simplify right side
    274,684.21x = 61,120,797,121.27
  5. Step 5: Solve for x
    x = 61,120,797,121.27/274,684.21
  6. Step 6: Final answer
    x = 222,512.96

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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.