Home / 298,736.80-412,251.78-162,772.36

Finding the Fourth Proportional to 298,736.80, 412,251.78 and 162,772.36

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Solution

The fourth proportional to 298,736.80, 412,251.78 and 162,772.36 is: 224,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,736.80 : 412,251.78 = 162,772.36 : x
  2. Step 2: Convert to fraction form
    298,736.80/412,251.78 = 162,772.36/x
  3. Step 3: Cross multiply
    298,736.80x = 412,251.78 × 162,772.36
  4. Step 4: Simplify right side
    298,736.80x = 67,103,195,144.80
  5. Step 5: Solve for x
    x = 67,103,195,144.80/298,736.80
  6. Step 6: Final answer
    x = 224,623.13

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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.