Finding the Fourth Proportional to 379,364.96, 568,857.90 and 126,557.48
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Solution
The fourth proportional to 379,364.96, 568,857.90 and 126,557.48 is: 189,772.99
Step by Step Solution
- Step 1: Write the proportion equation
379,364.96 : 568,857.90 = 126,557.48 : x - Step 2: Convert to fraction form
379,364.96/568,857.90 = 126,557.48/x - Step 3: Cross multiply
379,364.96x = 568,857.90 × 126,557.48 - Step 4: Simplify right side
379,364.96x = 71,993,222,302.09 - Step 5: Solve for x
x = 71,993,222,302.09/379,364.96 - Step 6: Final answer
x = 189,772.99
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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.