Home / 396,103.15-594,196.44-115,621.21

Finding the Fourth Proportional to 396,103.15, 594,196.44 and 115,621.21

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Solution

The fourth proportional to 396,103.15, 594,196.44 and 115,621.21 is: 173,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,103.15 : 594,196.44 = 115,621.21 : x
  2. Step 2: Convert to fraction form
    396,103.15/594,196.44 = 115,621.21/x
  3. Step 3: Cross multiply
    396,103.15x = 594,196.44 × 115,621.21
  4. Step 4: Simplify right side
    396,103.15x = 68,701,711,370.49
  5. Step 5: Solve for x
    x = 68,701,711,370.49/396,103.15
  6. Step 6: Final answer
    x = 173,443.99

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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.