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Finding the Fourth Proportional to 538,140.93, 807,310.89 and 222,622.44

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Solution

The fourth proportional to 538,140.93, 807,310.89 and 222,622.44 is: 333,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,140.93 : 807,310.89 = 222,622.44 : x
  2. Step 2: Convert to fraction form
    538,140.93/807,310.89 = 222,622.44/x
  3. Step 3: Cross multiply
    538,140.93x = 807,310.89 × 222,622.44
  4. Step 4: Simplify right side
    538,140.93x = 179,725,520,170.37
  5. Step 5: Solve for x
    x = 179,725,520,170.37/538,140.93
  6. Step 6: Final answer
    x = 333,974.82

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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.