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Finding the Fourth Proportional to 225,597.58, 338,383.89 and 75,822.39

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Solution

The fourth proportional to 225,597.58, 338,383.89 and 75,822.39 is: 113,729.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,597.58 : 338,383.89 = 75,822.39 : x
  2. Step 2: Convert to fraction form
    225,597.58/338,383.89 = 75,822.39/x
  3. Step 3: Cross multiply
    225,597.58x = 338,383.89 × 75,822.39
  4. Step 4: Simplify right side
    225,597.58x = 25,657,075,277.30
  5. Step 5: Solve for x
    x = 25,657,075,277.30/225,597.58
  6. Step 6: Final answer
    x = 113,729.39

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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.