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Finding the Fourth Proportional to 202,662, 303,994.08 and 54,918

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Solution

The fourth proportional to 202,662, 303,994.08 and 54,918 is: 82,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,662 : 303,994.08 = 54,918 : x
  2. Step 2: Convert to fraction form
    202,662/303,994.08 = 54,918/x
  3. Step 3: Cross multiply
    202,662x = 303,994.08 × 54,918
  4. Step 4: Simplify right side
    202,662x = 16,694,746,885.44
  5. Step 5: Solve for x
    x = 16,694,746,885.44/202,662
  6. Step 6: Final answer
    x = 82,377.29

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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.