Home / 361,933.70-499,469.08-200,788.74

Finding the Fourth Proportional to 361,933.70, 499,469.08 and 200,788.74

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Solution

The fourth proportional to 361,933.70, 499,469.08 and 200,788.74 is: 277,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,933.70 : 499,469.08 = 200,788.74 : x
  2. Step 2: Convert to fraction form
    361,933.70/499,469.08 = 200,788.74/x
  3. Step 3: Cross multiply
    361,933.70x = 499,469.08 × 200,788.74
  4. Step 4: Simplify right side
    361,933.70x = 100,287,767,242.16
  5. Step 5: Solve for x
    x = 100,287,767,242.16/361,933.70
  6. Step 6: Final answer
    x = 277,088.78

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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.