Finding the Fourth Proportional to 397,519.59, 548,591.58 and 220,714.99
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Solution
The fourth proportional to 397,519.59, 548,591.58 and 220,714.99 is: 304,594.76
Step by Step Solution
- Step 1: Write the proportion equation
397,519.59 : 548,591.58 = 220,714.99 : x - Step 2: Convert to fraction form
397,519.59/548,591.58 = 220,714.99/x - Step 3: Cross multiply
397,519.59x = 548,591.58 × 220,714.99 - Step 4: Simplify right side
397,519.59x = 121,082,383,990.21 - Step 5: Solve for x
x = 121,082,383,990.21/397,519.59 - Step 6: Final answer
x = 304,594.76
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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.