Home / 361,584.92-498,979.22-200,438.57

Finding the Fourth Proportional to 361,584.92, 498,979.22 and 200,438.57

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Solution

The fourth proportional to 361,584.92, 498,979.22 and 200,438.57 is: 276,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,584.92 : 498,979.22 = 200,438.57 : x
  2. Step 2: Convert to fraction form
    361,584.92/498,979.22 = 200,438.57/x
  3. Step 3: Cross multiply
    361,584.92x = 498,979.22 × 200,438.57
  4. Step 4: Simplify right side
    361,584.92x = 100,014,677,819.43
  5. Step 5: Solve for x
    x = 100,014,677,819.43/361,584.92
  6. Step 6: Final answer
    x = 276,600.80

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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.