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Finding the Fourth Proportional to 300,799.92, 415,292.64 and 193,556.33

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Solution

The fourth proportional to 300,799.92, 415,292.64 and 193,556.33 is: 267,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,799.92 : 415,292.64 = 193,556.33 : x
  2. Step 2: Convert to fraction form
    300,799.92/415,292.64 = 193,556.33/x
  3. Step 3: Cross multiply
    300,799.92x = 415,292.64 × 193,556.33
  4. Step 4: Simplify right side
    300,799.92x = 80,382,517,197.95
  5. Step 5: Solve for x
    x = 80,382,517,197.95/300,799.92
  6. Step 6: Final answer
    x = 267,229.18

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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.