Finding the Fourth Proportional to 379,716.70, 569,575.05 and 202,132.30
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Solution
The fourth proportional to 379,716.70, 569,575.05 and 202,132.30 is: 303,198.45
Step by Step Solution
- Step 1: Write the proportion equation
379,716.70 : 569,575.05 = 202,132.30 : x - Step 2: Convert to fraction form
379,716.70/569,575.05 = 202,132.30/x - Step 3: Cross multiply
379,716.70x = 569,575.05 × 202,132.30 - Step 4: Simplify right side
379,716.70x = 115,129,514,879.12 - Step 5: Solve for x
x = 115,129,514,879.12/379,716.70 - Step 6: Final answer
x = 303,198.45
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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.