Finding the Fourth Proportional to 738,412.05, 1,107,617.94 and 177,446.55
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Solution
The fourth proportional to 738,412.05, 1,107,617.94 and 177,446.55 is: 266,169.79
Step by Step Solution
- Step 1: Write the proportion equation
738,412.05 : 1,107,617.94 = 177,446.55 : x - Step 2: Convert to fraction form
738,412.05/1,107,617.94 = 177,446.55/x - Step 3: Cross multiply
738,412.05x = 1,107,617.94 × 177,446.55 - Step 4: Simplify right side
738,412.05x = 196,542,982,171.11 - Step 5: Solve for x
x = 196,542,982,171.11/738,412.05 - Step 6: Final answer
x = 266,169.79
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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.