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Finding the Fourth Proportional to 438,999.44, 605,819.24 and 237,795.44

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Solution

The fourth proportional to 438,999.44, 605,819.24 and 237,795.44 is: 328,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,999.44 : 605,819.24 = 237,795.44 : x
  2. Step 2: Convert to fraction form
    438,999.44/605,819.24 = 237,795.44/x
  3. Step 3: Cross multiply
    438,999.44x = 605,819.24 × 237,795.44
  4. Step 4: Simplify right side
    438,999.44x = 144,061,052,736.27
  5. Step 5: Solve for x
    x = 144,061,052,736.27/438,999.44
  6. Step 6: Final answer
    x = 328,157.71

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Why These Related Problems?

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