Finding the Fourth Proportional to 914,777.62, 1,372,169.40 and 231,664.09
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Solution
The fourth proportional to 914,777.62, 1,372,169.40 and 231,664.09 is: 347,496.89
Step by Step Solution
- Step 1: Write the proportion equation
914,777.62 : 1,372,169.40 = 231,664.09 : x - Step 2: Convert to fraction form
914,777.62/1,372,169.40 = 231,664.09/x - Step 3: Cross multiply
914,777.62x = 1,372,169.40 × 231,664.09 - Step 4: Simplify right side
914,777.62x = 317,882,375,376.85 - Step 5: Solve for x
x = 317,882,375,376.85/914,777.62 - Step 6: Final answer
x = 347,496.89
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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.