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Finding the Fourth Proportional to 222,706.20, 334,059.30 and 206,959.80

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Solution

The fourth proportional to 222,706.20, 334,059.30 and 206,959.80 is: 310,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,706.20 : 334,059.30 = 206,959.80 : x
  2. Step 2: Convert to fraction form
    222,706.20/334,059.30 = 206,959.80/x
  3. Step 3: Cross multiply
    222,706.20x = 334,059.30 × 206,959.80
  4. Step 4: Simplify right side
    222,706.20x = 69,136,845,916.14
  5. Step 5: Solve for x
    x = 69,136,845,916.14/222,706.20
  6. Step 6: Final answer
    x = 310,439.70

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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.