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Finding the Fourth Proportional to 204,630.80, 306,994.38 and 64,389.38

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Solution

The fourth proportional to 204,630.80, 306,994.38 and 64,389.38 is: 96,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,630.80 : 306,994.38 = 64,389.38 : x
  2. Step 2: Convert to fraction form
    204,630.80/306,994.38 = 64,389.38/x
  3. Step 3: Cross multiply
    204,630.80x = 306,994.38 × 64,389.38
  4. Step 4: Simplify right side
    204,630.80x = 19,767,177,791.68
  5. Step 5: Solve for x
    x = 19,767,177,791.68/204,630.80
  6. Step 6: Final answer
    x = 96,599.23

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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.