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Finding the Fourth Proportional to 548,557.39, 822,540.22 and 248,874.45

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Solution

The fourth proportional to 548,557.39, 822,540.22 and 248,874.45 is: 373,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,557.39 : 822,540.22 = 248,874.45 : x
  2. Step 2: Convert to fraction form
    548,557.39/822,540.22 = 248,874.45/x
  3. Step 3: Cross multiply
    548,557.39x = 822,540.22 × 248,874.45
  4. Step 4: Simplify right side
    548,557.39x = 204,709,244,855.38
  5. Step 5: Solve for x
    x = 204,709,244,855.38/548,557.39
  6. Step 6: Final answer
    x = 373,177.45

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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.