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Finding the Fourth Proportional to 202,382.48, 279,288.20 and 111,738.62

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Solution

The fourth proportional to 202,382.48, 279,288.20 and 111,738.62 is: 154,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,382.48 : 279,288.20 = 111,738.62 : x
  2. Step 2: Convert to fraction form
    202,382.48/279,288.20 = 111,738.62/x
  3. Step 3: Cross multiply
    202,382.48x = 279,288.20 × 111,738.62
  4. Step 4: Simplify right side
    202,382.48x = 31,207,277,491.59
  5. Step 5: Solve for x
    x = 31,207,277,491.59/202,382.48
  6. Step 6: Final answer
    x = 154,199.50

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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.