Finding the Fourth Proportional to 217,546.24, 300,218.96 and 122,059.92
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Solution
The fourth proportional to 217,546.24, 300,218.96 and 122,059.92 is: 168,445.58
Step by Step Solution
- Step 1: Write the proportion equation
217,546.24 : 300,218.96 = 122,059.92 : x - Step 2: Convert to fraction form
217,546.24/300,218.96 = 122,059.92/x - Step 3: Cross multiply
217,546.24x = 300,218.96 × 122,059.92 - Step 4: Simplify right side
217,546.24x = 36,644,702,240.08 - Step 5: Solve for x
x = 36,644,702,240.08/217,546.24 - Step 6: Final answer
x = 168,445.58
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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.