Finding the Fourth Proportional to 203,546.41, 305,320.39 and 85,134.68
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Solution
The fourth proportional to 203,546.41, 305,320.39 and 85,134.68 is: 127,702.35
Step by Step Solution
- Step 1: Write the proportion equation
203,546.41 : 305,320.39 = 85,134.68 : x - Step 2: Convert to fraction form
203,546.41/305,320.39 = 85,134.68/x - Step 3: Cross multiply
203,546.41x = 305,320.39 × 85,134.68 - Step 4: Simplify right side
203,546.41x = 25,993,353,487.29 - Step 5: Solve for x
x = 25,993,353,487.29/203,546.41 - Step 6: Final answer
x = 127,702.35
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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.