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Finding the Fourth Proportional to 548,181.32, 822,171.48 and 248,589.84

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Solution

The fourth proportional to 548,181.32, 822,171.48 and 248,589.84 is: 372,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,181.32 : 822,171.48 = 248,589.84 : x
  2. Step 2: Convert to fraction form
    548,181.32/822,171.48 = 248,589.84/x
  3. Step 3: Cross multiply
    548,181.32x = 822,171.48 × 248,589.84
  4. Step 4: Simplify right side
    548,181.32x = 204,383,476,665.76
  5. Step 5: Solve for x
    x = 204,383,476,665.76/548,181.32
  6. Step 6: Final answer
    x = 372,839.19

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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.