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Finding the Fourth Proportional to 225,556.84, 338,123.33 and 75,692.01

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Solution

The fourth proportional to 225,556.84, 338,123.33 and 75,692.01 is: 113,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,556.84 : 338,123.33 = 75,692.01 : x
  2. Step 2: Convert to fraction form
    225,556.84/338,123.33 = 75,692.01/x
  3. Step 3: Cross multiply
    225,556.84x = 338,123.33 × 75,692.01
  4. Step 4: Simplify right side
    225,556.84x = 25,593,234,475.59
  5. Step 5: Solve for x
    x = 25,593,234,475.59/225,556.84
  6. Step 6: Final answer
    x = 113,466.90

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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.