Finding the Fourth Proportional to 843,412.15, 1,265,183.84 and 244,381.92
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Solution
The fourth proportional to 843,412.15, 1,265,183.84 and 244,381.92 is: 366,591.89
Step by Step Solution
- Step 1: Write the proportion equation
843,412.15 : 1,265,183.84 = 244,381.92 : x - Step 2: Convert to fraction form
843,412.15/1,265,183.84 = 244,381.92/x - Step 3: Cross multiply
843,412.15x = 1,265,183.84 × 244,381.92 - Step 4: Simplify right side
843,412.15x = 309,188,055,972.17 - Step 5: Solve for x
x = 309,188,055,972.17/843,412.15 - Step 6: Final answer
x = 366,591.89
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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.