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Finding the Fourth Proportional to 300,761.94, 415,044.77 and 169,927.37

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Solution

The fourth proportional to 300,761.94, 415,044.77 and 169,927.37 is: 234,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,761.94 : 415,044.77 = 169,927.37 : x
  2. Step 2: Convert to fraction form
    300,761.94/415,044.77 = 169,927.37/x
  3. Step 3: Cross multiply
    300,761.94x = 415,044.77 × 169,927.37
  4. Step 4: Simplify right side
    300,761.94x = 70,527,463,273.49
  5. Step 5: Solve for x
    x = 70,527,463,273.49/300,761.94
  6. Step 6: Final answer
    x = 234,495.97

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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.