Home / 396,423.27-594,636.30-115,940.52

Finding the Fourth Proportional to 396,423.27, 594,636.30 and 115,940.52

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Solution

The fourth proportional to 396,423.27, 594,636.30 and 115,940.52 is: 173,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,423.27 : 594,636.30 = 115,940.52 : x
  2. Step 2: Convert to fraction form
    396,423.27/594,636.30 = 115,940.52/x
  3. Step 3: Cross multiply
    396,423.27x = 594,636.30 × 115,940.52
  4. Step 4: Simplify right side
    396,423.27x = 68,942,441,832.88
  5. Step 5: Solve for x
    x = 68,942,441,832.88/396,423.27
  6. Step 6: Final answer
    x = 173,911.19

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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.