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Finding the Fourth Proportional to 206,163.10, 309,244.65 and 206,163.10

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Solution

The fourth proportional to 206,163.10, 309,244.65 and 206,163.10 is: 309,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,163.10 : 309,244.65 = 206,163.10 : x
  2. Step 2: Convert to fraction form
    206,163.10/309,244.65 = 206,163.10/x
  3. Step 3: Cross multiply
    206,163.10x = 309,244.65 × 206,163.10
  4. Step 4: Simplify right side
    206,163.10x = 63,754,835,702.42
  5. Step 5: Solve for x
    x = 63,754,835,702.42/206,163.10
  6. Step 6: Final answer
    x = 309,244.65

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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.