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Finding the Fourth Proportional to 192,481.20, 288,376.20 and 164,833.20

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Solution

The fourth proportional to 192,481.20, 288,376.20 and 164,833.20 is: 246,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,481.20 : 288,376.20 = 164,833.20 : x
  2. Step 2: Convert to fraction form
    192,481.20/288,376.20 = 164,833.20/x
  3. Step 3: Cross multiply
    192,481.20x = 288,376.20 × 164,833.20
  4. Step 4: Simplify right side
    192,481.20x = 47,533,971,849.84
  5. Step 5: Solve for x
    x = 47,533,971,849.84/192,481.20
  6. Step 6: Final answer
    x = 246,953.84

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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.