Home / 361,581.84-498,930.39-200,436.75

Finding the Fourth Proportional to 361,581.84, 498,930.39 and 200,436.75

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Solution

The fourth proportional to 361,581.84, 498,930.39 and 200,436.75 is: 276,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,581.84 : 498,930.39 = 200,436.75 : x
  2. Step 2: Convert to fraction form
    361,581.84/498,930.39 = 200,436.75/x
  3. Step 3: Cross multiply
    361,581.84x = 498,930.39 × 200,436.75
  4. Step 4: Simplify right side
    361,581.84x = 100,003,985,847.83
  5. Step 5: Solve for x
    x = 100,003,985,847.83/361,581.84
  6. Step 6: Final answer
    x = 276,573.59

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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.