Finding the Fourth Proportional to 203,440.70, 305,161.05 and 170,198.30
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Solution
The fourth proportional to 203,440.70, 305,161.05 and 170,198.30 is: 255,297.45
Step by Step Solution
- Step 1: Write the proportion equation
203,440.70 : 305,161.05 = 170,198.30 : x - Step 2: Convert to fraction form
203,440.70/305,161.05 = 170,198.30/x - Step 3: Cross multiply
203,440.70x = 305,161.05 × 170,198.30 - Step 4: Simplify right side
203,440.70x = 51,937,891,936.22 - Step 5: Solve for x
x = 51,937,891,936.22/203,440.70 - Step 6: Final answer
x = 255,297.45
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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.