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Finding the Fourth Proportional to 396,370.35, 594,646.34 and 171,768.48

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Solution

The fourth proportional to 396,370.35, 594,646.34 and 171,768.48 is: 257,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,370.35 : 594,646.34 = 171,768.48 : x
  2. Step 2: Convert to fraction form
    396,370.35/594,646.34 = 171,768.48/x
  3. Step 3: Cross multiply
    396,370.35x = 594,646.34 × 171,768.48
  4. Step 4: Simplify right side
    396,370.35x = 102,141,497,959.36
  5. Step 5: Solve for x
    x = 102,141,497,959.36/396,370.35
  6. Step 6: Final answer
    x = 257,692.07

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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.