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Finding the Fourth Proportional to 240,991.76, 332,568.66 and 133,568.73

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Solution

The fourth proportional to 240,991.76, 332,568.66 and 133,568.73 is: 184,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,991.76 : 332,568.66 = 133,568.73 : x
  2. Step 2: Convert to fraction form
    240,991.76/332,568.66 = 133,568.73/x
  3. Step 3: Cross multiply
    240,991.76x = 332,568.66 × 133,568.73
  4. Step 4: Simplify right side
    240,991.76x = 44,420,774,054.88
  5. Step 5: Solve for x
    x = 44,420,774,054.88/240,991.76
  6. Step 6: Final answer
    x = 184,324.86

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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.