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Finding the Fourth Proportional to 361,322.62, 498,584.80 and 200,137.66

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Solution

The fourth proportional to 361,322.62, 498,584.80 and 200,137.66 is: 276,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,322.62 : 498,584.80 = 200,137.66 : x
  2. Step 2: Convert to fraction form
    361,322.62/498,584.80 = 200,137.66/x
  3. Step 3: Cross multiply
    361,322.62x = 498,584.80 × 200,137.66
  4. Step 4: Simplify right side
    361,322.62x = 99,785,595,183.57
  5. Step 5: Solve for x
    x = 99,785,595,183.57/361,322.62
  6. Step 6: Final answer
    x = 276,167.58

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1.5x scale

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.