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Finding the Fourth Proportional to 192,306.30, 288,517.71 and 136,254.84

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Solution

The fourth proportional to 192,306.30, 288,517.71 and 136,254.84 is: 204,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,306.30 : 288,517.71 = 136,254.84 : x
  2. Step 2: Convert to fraction form
    192,306.30/288,517.71 = 136,254.84/x
  3. Step 3: Cross multiply
    192,306.30x = 288,517.71 × 136,254.84
  4. Step 4: Simplify right side
    192,306.30x = 39,311,934,413.22
  5. Step 5: Solve for x
    x = 39,311,934,413.22/192,306.30
  6. Step 6: Final answer
    x = 204,423.54

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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.