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Finding the Fourth Proportional to 537,722.40, 806,680.80 and 222,211.20

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Solution

The fourth proportional to 537,722.40, 806,680.80 and 222,211.20 is: 333,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,722.40 : 806,680.80 = 222,211.20 : x
  2. Step 2: Convert to fraction form
    537,722.40/806,680.80 = 222,211.20/x
  3. Step 3: Cross multiply
    537,722.40x = 806,680.80 × 222,211.20
  4. Step 4: Simplify right side
    537,722.40x = 179,253,508,584.96
  5. Step 5: Solve for x
    x = 179,253,508,584.96/537,722.40
  6. Step 6: Final answer
    x = 333,356.97

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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.