Finding the Fourth Proportional to 141,561.80, 212,375.96 and 46,791.99
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Solution
The fourth proportional to 141,561.80, 212,375.96 and 46,791.99 is: 70,198.98
Step by Step Solution
- Step 1: Write the proportion equation
141,561.80 : 212,375.96 = 46,791.99 : x - Step 2: Convert to fraction form
141,561.80/212,375.96 = 46,791.99/x - Step 3: Cross multiply
141,561.80x = 212,375.96 × 46,791.99 - Step 4: Simplify right side
141,561.80x = 9,937,493,738.07 - Step 5: Solve for x
x = 9,937,493,738.07/141,561.80 - Step 6: Final answer
x = 70,198.98
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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.