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Finding the Fourth Proportional to 206,982.96, 310,180.41 and 159,418.14

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Solution

The fourth proportional to 206,982.96, 310,180.41 and 159,418.14 is: 238,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,982.96 : 310,180.41 = 159,418.14 : x
  2. Step 2: Convert to fraction form
    206,982.96/310,180.41 = 159,418.14/x
  3. Step 3: Cross multiply
    206,982.96x = 310,180.41 × 159,418.14
  4. Step 4: Simplify right side
    206,982.96x = 49,448,384,026.64
  5. Step 5: Solve for x
    x = 49,448,384,026.64/206,982.96
  6. Step 6: Final answer
    x = 238,900.75

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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.