Finding the Fourth Proportional to 204,161.40, 306,304.26 and 104,391.68
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Solution
The fourth proportional to 204,161.40, 306,304.26 and 104,391.68 is: 156,619.30
Step by Step Solution
- Step 1: Write the proportion equation
204,161.40 : 306,304.26 = 104,391.68 : x - Step 2: Convert to fraction form
204,161.40/306,304.26 = 104,391.68/x - Step 3: Cross multiply
204,161.40x = 306,304.26 × 104,391.68 - Step 4: Simplify right side
204,161.40x = 31,975,614,761.04 - Step 5: Solve for x
x = 31,975,614,761.04/204,161.40 - Step 6: Final answer
x = 156,619.30
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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.