Finding the Fourth Proportional to 203,640.96, 281,023.68 and 124,152.96
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Solution
The fourth proportional to 203,640.96, 281,023.68 and 124,152.96 is: 171,330.57
Step by Step Solution
- Step 1: Write the proportion equation
203,640.96 : 281,023.68 = 124,152.96 : x - Step 2: Convert to fraction form
203,640.96/281,023.68 = 124,152.96/x - Step 3: Cross multiply
203,640.96x = 281,023.68 × 124,152.96 - Step 4: Simplify right side
203,640.96x = 34,889,921,702.09 - Step 5: Solve for x
x = 34,889,921,702.09/203,640.96 - Step 6: Final answer
x = 171,330.57
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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.