Home / 396,446-594,663.68-96,929.16

Finding the Fourth Proportional to 396,446, 594,663.68 and 96,929.16

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Solution

The fourth proportional to 396,446, 594,663.68 and 96,929.16 is: 145,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,446 : 594,663.68 = 96,929.16 : x
  2. Step 2: Convert to fraction form
    396,446/594,663.68 = 96,929.16/x
  3. Step 3: Cross multiply
    396,446x = 594,663.68 × 96,929.16
  4. Step 4: Simplify right side
    396,446x = 57,640,250,984.91
  5. Step 5: Solve for x
    x = 57,640,250,984.91/396,446
  6. Step 6: Final answer
    x = 145,392.44

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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.