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Finding the Fourth Proportional to 356,269.95, 491,634.11 and 195,093.90

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Solution

The fourth proportional to 356,269.95, 491,634.11 and 195,093.90 is: 269,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,269.95 : 491,634.11 = 195,093.90 : x
  2. Step 2: Convert to fraction form
    356,269.95/491,634.11 = 195,093.90/x
  3. Step 3: Cross multiply
    356,269.95x = 491,634.11 × 195,093.90
  4. Step 4: Simplify right side
    356,269.95x = 95,914,816,380.66
  5. Step 5: Solve for x
    x = 95,914,816,380.66/356,269.95
  6. Step 6: Final answer
    x = 269,219.50

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Why These Related Problems?

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