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Finding the Fourth Proportional to 202,626.81, 303,998.90 and 62,406.09

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Solution

The fourth proportional to 202,626.81, 303,998.90 and 62,406.09 is: 93,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,626.81 : 303,998.90 = 62,406.09 : x
  2. Step 2: Convert to fraction form
    202,626.81/303,998.90 = 62,406.09/x
  3. Step 3: Cross multiply
    202,626.81x = 303,998.90 × 62,406.09
  4. Step 4: Simplify right side
    202,626.81x = 18,971,382,401.27
  5. Step 5: Solve for x
    x = 18,971,382,401.27/202,626.81
  6. Step 6: Final answer
    x = 93,627.21

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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.