Home / 396,389.20-594,674.66-171,787.36

Finding the Fourth Proportional to 396,389.20, 594,674.66 and 171,787.36

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Solution

The fourth proportional to 396,389.20, 594,674.66 and 171,787.36 is: 257,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,389.20 : 594,674.66 = 171,787.36 : x
  2. Step 2: Convert to fraction form
    396,389.20/594,674.66 = 171,787.36/x
  3. Step 3: Cross multiply
    396,389.20x = 594,674.66 × 171,787.36
  4. Step 4: Simplify right side
    396,389.20x = 102,157,589,900.30
  5. Step 5: Solve for x
    x = 102,157,589,900.30/396,389.20
  6. Step 6: Final answer
    x = 257,720.42

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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.