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Finding the Fourth Proportional to 234,553.70, 351,930.18 and 116,227.28

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Solution

The fourth proportional to 234,553.70, 351,930.18 and 116,227.28 is: 174,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,553.70 : 351,930.18 = 116,227.28 : x
  2. Step 2: Convert to fraction form
    234,553.70/351,930.18 = 116,227.28/x
  3. Step 3: Cross multiply
    234,553.70x = 351,930.18 × 116,227.28
  4. Step 4: Simplify right side
    234,553.70x = 40,903,887,571.31
  5. Step 5: Solve for x
    x = 40,903,887,571.31/234,553.70
  6. Step 6: Final answer
    x = 174,390.29

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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.