Finding the Fourth Proportional to 379,177.94, 568,609.10 and 154,385.94
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Solution
The fourth proportional to 379,177.94, 568,609.10 and 154,385.94 is: 231,514.66
Step by Step Solution
- Step 1: Write the proportion equation
379,177.94 : 568,609.10 = 154,385.94 : x - Step 2: Convert to fraction form
379,177.94/568,609.10 = 154,385.94/x - Step 3: Cross multiply
379,177.94x = 568,609.10 × 154,385.94 - Step 4: Simplify right side
379,177.94x = 87,785,250,396.05 - Step 5: Solve for x
x = 87,785,250,396.05/379,177.94 - Step 6: Final answer
x = 231,514.66
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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.