Finding the Fourth Proportional to 379,755.14, 523,883.66 and 270,883.53
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Solution
The fourth proportional to 379,755.14, 523,883.66 and 270,883.53 is: 373,691.99
Step by Step Solution
- Step 1: Write the proportion equation
379,755.14 : 523,883.66 = 270,883.53 : x - Step 2: Convert to fraction form
379,755.14/523,883.66 = 270,883.53/x - Step 3: Cross multiply
379,755.14x = 523,883.66 × 270,883.53 - Step 4: Simplify right side
379,755.14x = 141,911,453,775.70 - Step 5: Solve for x
x = 141,911,453,775.70/379,755.14 - Step 6: Final answer
x = 373,691.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.