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Finding the Fourth Proportional to 548,650.67, 822,892.85 and 149,322.56

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Solution

The fourth proportional to 548,650.67, 822,892.85 and 149,322.56 is: 223,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,650.67 : 822,892.85 = 149,322.56 : x
  2. Step 2: Convert to fraction form
    548,650.67/822,892.85 = 149,322.56/x
  3. Step 3: Cross multiply
    548,650.67x = 822,892.85 × 149,322.56
  4. Step 4: Simplify right side
    548,650.67x = 122,876,467,295.35
  5. Step 5: Solve for x
    x = 122,876,467,295.35/548,650.67
  6. Step 6: Final answer
    x = 223,961.21

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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.