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Finding the Fourth Proportional to 383,593.88, 529,388.38 and 222,447.50

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Solution

The fourth proportional to 383,593.88, 529,388.38 and 222,447.50 is: 306,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,593.88 : 529,388.38 = 222,447.50 : x
  2. Step 2: Convert to fraction form
    383,593.88/529,388.38 = 222,447.50/x
  3. Step 3: Cross multiply
    383,593.88x = 529,388.38 × 222,447.50
  4. Step 4: Simplify right side
    383,593.88x = 117,761,121,660.05
  5. Step 5: Solve for x
    x = 117,761,121,660.05/383,593.88
  6. Step 6: Final answer
    x = 306,994.27

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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.