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Finding the Fourth Proportional to 115,227, 159,013.28 and 62,235

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Solution

The fourth proportional to 115,227, 159,013.28 and 62,235 is: 85,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,227 : 159,013.28 = 62,235 : x
  2. Step 2: Convert to fraction form
    115,227/159,013.28 = 62,235/x
  3. Step 3: Cross multiply
    115,227x = 159,013.28 × 62,235
  4. Step 4: Simplify right side
    115,227x = 9,896,191,480.80
  5. Step 5: Solve for x
    x = 9,896,191,480.80/115,227
  6. Step 6: Final answer
    x = 85,884.31

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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.