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Finding the Fourth Proportional to 275,200.71, 379,623.18 and 173,188.09

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Solution

The fourth proportional to 275,200.71, 379,623.18 and 173,188.09 is: 238,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,200.71 : 379,623.18 = 173,188.09 : x
  2. Step 2: Convert to fraction form
    275,200.71/379,623.18 = 173,188.09/x
  3. Step 3: Cross multiply
    275,200.71x = 379,623.18 × 173,188.09
  4. Step 4: Simplify right side
    275,200.71x = 65,746,213,463.93
  5. Step 5: Solve for x
    x = 65,746,213,463.93/275,200.71
  6. Step 6: Final answer
    x = 238,902.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.