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Finding the Fourth Proportional to 234,692.56, 351,898.24 and 74,699.38

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Solution

The fourth proportional to 234,692.56, 351,898.24 and 74,699.38 is: 112,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,692.56 : 351,898.24 = 74,699.38 : x
  2. Step 2: Convert to fraction form
    234,692.56/351,898.24 = 74,699.38/x
  3. Step 3: Cross multiply
    234,692.56x = 351,898.24 × 74,699.38
  4. Step 4: Simplify right side
    234,692.56x = 26,286,580,351.09
  5. Step 5: Solve for x
    x = 26,286,580,351.09/234,692.56
  6. Step 6: Final answer
    x = 112,004.32

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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.