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Finding the Fourth Proportional to 202,379.67, 279,282.15 and 111,733.68

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Solution

The fourth proportional to 202,379.67, 279,282.15 and 111,733.68 is: 154,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,379.67 : 279,282.15 = 111,733.68 : x
  2. Step 2: Convert to fraction form
    202,379.67/279,282.15 = 111,733.68/x
  3. Step 3: Cross multiply
    202,379.67x = 279,282.15 × 111,733.68
  4. Step 4: Simplify right side
    202,379.67x = 31,205,222,377.81
  5. Step 5: Solve for x
    x = 31,205,222,377.81/202,379.67
  6. Step 6: Final answer
    x = 154,191.49

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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.