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Finding the Fourth Proportional to 192,394.30, 288,591.45 and 156,964.90

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Solution

The fourth proportional to 192,394.30, 288,591.45 and 156,964.90 is: 235,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,394.30 : 288,591.45 = 156,964.90 : x
  2. Step 2: Convert to fraction form
    192,394.30/288,591.45 = 156,964.90/x
  3. Step 3: Cross multiply
    192,394.30x = 288,591.45 × 156,964.90
  4. Step 4: Simplify right side
    192,394.30x = 45,298,728,090.11
  5. Step 5: Solve for x
    x = 45,298,728,090.11/192,394.30
  6. Step 6: Final answer
    x = 235,447.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.