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Finding the Fourth Proportional to 192,228.49, 288,404.43 and 92,395.93

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Solution

The fourth proportional to 192,228.49, 288,404.43 and 92,395.93 is: 138,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,228.49 : 288,404.43 = 92,395.93 : x
  2. Step 2: Convert to fraction form
    192,228.49/288,404.43 = 92,395.93/x
  3. Step 3: Cross multiply
    192,228.49x = 288,404.43 × 92,395.93
  4. Step 4: Simplify right side
    192,228.49x = 26,647,395,525.97
  5. Step 5: Solve for x
    x = 26,647,395,525.97/192,228.49
  6. Step 6: Final answer
    x = 138,623.55

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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.