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Finding the Fourth Proportional to 202,199.16, 303,287.79 and 61,958.19

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Solution

The fourth proportional to 202,199.16, 303,287.79 and 61,958.19 is: 92,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,199.16 : 303,287.79 = 61,958.19 : x
  2. Step 2: Convert to fraction form
    202,199.16/303,287.79 = 61,958.19/x
  3. Step 3: Cross multiply
    202,199.16x = 303,287.79 × 61,958.19
  4. Step 4: Simplify right side
    202,199.16x = 18,791,162,517.50
  5. Step 5: Solve for x
    x = 18,791,162,517.50/202,199.16
  6. Step 6: Final answer
    x = 92,933.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.