Finding the Fourth Proportional to 203,493.10, 305,239.65 and 132,634.30
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Solution
The fourth proportional to 203,493.10, 305,239.65 and 132,634.30 is: 198,951.45
Step by Step Solution
- Step 1: Write the proportion equation
203,493.10 : 305,239.65 = 132,634.30 : x - Step 2: Convert to fraction form
203,493.10/305,239.65 = 132,634.30/x - Step 3: Cross multiply
203,493.10x = 305,239.65 × 132,634.30 - Step 4: Simplify right side
203,493.10x = 40,485,247,310.00 - Step 5: Solve for x
x = 40,485,247,310.00/203,493.10 - Step 6: Final answer
x = 198,951.45
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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.