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Finding the Fourth Proportional to 537,912.20, 806,522.70 and 222,494.60

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Solution

The fourth proportional to 537,912.20, 806,522.70 and 222,494.60 is: 333,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,912.20 : 806,522.70 = 222,494.60 : x
  2. Step 2: Convert to fraction form
    537,912.20/806,522.70 = 222,494.60/x
  3. Step 3: Cross multiply
    537,912.20x = 806,522.70 × 222,494.60
  4. Step 4: Simplify right side
    537,912.20x = 179,446,945,527.42
  5. Step 5: Solve for x
    x = 179,446,945,527.42/537,912.20
  6. Step 6: Final answer
    x = 333,598.95

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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.