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Finding the Fourth Proportional to 382,841.33, 573,258.69 and 269,910.11

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Solution

The fourth proportional to 382,841.33, 573,258.69 and 269,910.11 is: 404,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,841.33 : 573,258.69 = 269,910.11 : x
  2. Step 2: Convert to fraction form
    382,841.33/573,258.69 = 269,910.11/x
  3. Step 3: Cross multiply
    382,841.33x = 573,258.69 × 269,910.11
  4. Step 4: Simplify right side
    382,841.33x = 154,728,313,210.06
  5. Step 5: Solve for x
    x = 154,728,313,210.06/382,841.33
  6. Step 6: Final answer
    x = 404,157.81

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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.