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Finding the Fourth Proportional to 235,222.56, 324,583.68 and 133,227.68

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Solution

The fourth proportional to 235,222.56, 324,583.68 and 133,227.68 is: 183,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,222.56 : 324,583.68 = 133,227.68 : x
  2. Step 2: Convert to fraction form
    235,222.56/324,583.68 = 133,227.68/x
  3. Step 3: Cross multiply
    235,222.56x = 324,583.68 × 133,227.68
  4. Step 4: Simplify right side
    235,222.56x = 43,243,530,652.26
  5. Step 5: Solve for x
    x = 43,243,530,652.26/235,222.56
  6. Step 6: Final answer
    x = 183,840.91

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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.