Home / 361,929.56-499,464.06-200,787.80

Finding the Fourth Proportional to 361,929.56, 499,464.06 and 200,787.80

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Solution

The fourth proportional to 361,929.56, 499,464.06 and 200,787.80 is: 277,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,929.56 : 499,464.06 = 200,787.80 : x
  2. Step 2: Convert to fraction form
    361,929.56/499,464.06 = 200,787.80/x
  3. Step 3: Cross multiply
    361,929.56x = 499,464.06 × 200,787.80
  4. Step 4: Simplify right side
    361,929.56x = 100,286,289,786.47
  5. Step 5: Solve for x
    x = 100,286,289,786.47/361,929.56
  6. Step 6: Final answer
    x = 277,087.87

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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.