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Finding the Fourth Proportional to 226,962, 313,207.56 and 126,383.76

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Solution

The fourth proportional to 226,962, 313,207.56 and 126,383.76 is: 174,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,962 : 313,207.56 = 126,383.76 : x
  2. Step 2: Convert to fraction form
    226,962/313,207.56 = 126,383.76/x
  3. Step 3: Cross multiply
    226,962x = 313,207.56 × 126,383.76
  4. Step 4: Simplify right side
    226,962x = 39,584,349,093.23
  5. Step 5: Solve for x
    x = 39,584,349,093.23/226,962
  6. Step 6: Final answer
    x = 174,409.59

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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.