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Finding the Fourth Proportional to 202,355.25, 279,235.92 and 111,696.67

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Solution

The fourth proportional to 202,355.25, 279,235.92 and 111,696.67 is: 154,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,355.25 : 279,235.92 = 111,696.67 : x
  2. Step 2: Convert to fraction form
    202,355.25/279,235.92 = 111,696.67/x
  3. Step 3: Cross multiply
    202,355.25x = 279,235.92 × 111,696.67
  4. Step 4: Simplify right side
    202,355.25x = 31,189,722,408.39
  5. Step 5: Solve for x
    x = 31,189,722,408.39/202,355.25
  6. Step 6: Final answer
    x = 154,133.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.