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Finding the Fourth Proportional to 206,273.52, 309,410.52 and 56,515.11

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Solution

The fourth proportional to 206,273.52, 309,410.52 and 56,515.11 is: 84,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,273.52 : 309,410.52 = 56,515.11 : x
  2. Step 2: Convert to fraction form
    206,273.52/309,410.52 = 56,515.11/x
  3. Step 3: Cross multiply
    206,273.52x = 309,410.52 × 56,515.11
  4. Step 4: Simplify right side
    206,273.52x = 17,486,369,572.96
  5. Step 5: Solve for x
    x = 17,486,369,572.96/206,273.52
  6. Step 6: Final answer
    x = 84,772.73

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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.