Home / 384,023.39-576,101.97-131,329.17

Finding the Fourth Proportional to 384,023.39, 576,101.97 and 131,329.17

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Solution

The fourth proportional to 384,023.39, 576,101.97 and 131,329.17 is: 197,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,023.39 : 576,101.97 = 131,329.17 : x
  2. Step 2: Convert to fraction form
    384,023.39/576,101.97 = 131,329.17/x
  3. Step 3: Cross multiply
    384,023.39x = 576,101.97 × 131,329.17
  4. Step 4: Simplify right side
    384,023.39x = 75,658,993,555.46
  5. Step 5: Solve for x
    x = 75,658,993,555.46/384,023.39
  6. Step 6: Final answer
    x = 197,016.63

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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.