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Finding the Fourth Proportional to 199,473.20, 298,960.32 and 99,661.34

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Solution

The fourth proportional to 199,473.20, 298,960.32 and 99,661.34 is: 149,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,473.20 : 298,960.32 = 99,661.34 : x
  2. Step 2: Convert to fraction form
    199,473.20/298,960.32 = 99,661.34/x
  3. Step 3: Cross multiply
    199,473.20x = 298,960.32 × 99,661.34
  4. Step 4: Simplify right side
    199,473.20x = 29,794,786,098.03
  5. Step 5: Solve for x
    x = 29,794,786,098.03/199,473.20
  6. Step 6: Final answer
    x = 149,367.36

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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.