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Finding the Fourth Proportional to 234,960.82, 324,245.10 and 127,530.86

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Solution

The fourth proportional to 234,960.82, 324,245.10 and 127,530.86 is: 175,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,960.82 : 324,245.10 = 127,530.86 : x
  2. Step 2: Convert to fraction form
    234,960.82/324,245.10 = 127,530.86/x
  3. Step 3: Cross multiply
    234,960.82x = 324,245.10 × 127,530.86
  4. Step 4: Simplify right side
    234,960.82x = 41,351,256,453.79
  5. Step 5: Solve for x
    x = 41,351,256,453.79/234,960.82
  6. Step 6: Final answer
    x = 175,992.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.