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Finding the Fourth Proportional to 192,195.60, 288,293.40 and 181,862.03

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Solution

The fourth proportional to 192,195.60, 288,293.40 and 181,862.03 is: 272,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,195.60 : 288,293.40 = 181,862.03 : x
  2. Step 2: Convert to fraction form
    192,195.60/288,293.40 = 181,862.03/x
  3. Step 3: Cross multiply
    192,195.60x = 288,293.40 × 181,862.03
  4. Step 4: Simplify right side
    192,195.60x = 52,429,621,518.14
  5. Step 5: Solve for x
    x = 52,429,621,518.14/192,195.60
  6. Step 6: Final answer
    x = 272,793.04

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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.