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Finding the Fourth Proportional to 199,473.44, 298,960.64 and 99,661.64

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Solution

The fourth proportional to 199,473.44, 298,960.64 and 99,661.64 is: 149,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,473.44 : 298,960.64 = 99,661.64 : x
  2. Step 2: Convert to fraction form
    199,473.44/298,960.64 = 99,661.64/x
  3. Step 3: Cross multiply
    199,473.44x = 298,960.64 × 99,661.64
  4. Step 4: Simplify right side
    199,473.44x = 29,794,907,677.85
  5. Step 5: Solve for x
    x = 29,794,907,677.85/199,473.44
  6. Step 6: Final answer
    x = 149,367.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.