Finding the Fourth Proportional to 421,994.10, 582,419.70 and 240,765.18
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Solution
The fourth proportional to 421,994.10, 582,419.70 and 240,765.18 is: 332,294.66
Step by Step Solution
- Step 1: Write the proportion equation
421,994.10 : 582,419.70 = 240,765.18 : x - Step 2: Convert to fraction form
421,994.10/582,419.70 = 240,765.18/x - Step 3: Cross multiply
421,994.10x = 582,419.70 × 240,765.18 - Step 4: Simplify right side
421,994.10x = 140,226,383,906.05 - Step 5: Solve for x
x = 140,226,383,906.05/421,994.10 - Step 6: Final answer
x = 332,294.66
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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.