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Finding the Fourth Proportional to 303,381, 418,665.96 and 169,245

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Solution

The fourth proportional to 303,381, 418,665.96 and 169,245 is: 233,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,381 : 418,665.96 = 169,245 : x
  2. Step 2: Convert to fraction form
    303,381/418,665.96 = 169,245/x
  3. Step 3: Cross multiply
    303,381x = 418,665.96 × 169,245
  4. Step 4: Simplify right side
    303,381x = 70,857,120,400.20
  5. Step 5: Solve for x
    x = 70,857,120,400.20/303,381
  6. Step 6: Final answer
    x = 233,558.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.