Finding the Fourth Proportional to 848,138.40, 1,272,207.60 and 217,052.21
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Solution
The fourth proportional to 848,138.40, 1,272,207.60 and 217,052.21 is: 325,578.32
Step by Step Solution
- Step 1: Write the proportion equation
848,138.40 : 1,272,207.60 = 217,052.21 : x - Step 2: Convert to fraction form
848,138.40/1,272,207.60 = 217,052.21/x - Step 3: Cross multiply
848,138.40x = 1,272,207.60 × 217,052.21 - Step 4: Simplify right side
848,138.40x = 276,135,474,339.32 - Step 5: Solve for x
x = 276,135,474,339.32/848,138.40 - Step 6: Final answer
x = 325,578.32
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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.