Finding the Fourth Proportional to 372,912.12, 514,622.26 and 211,770.52
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Solution
The fourth proportional to 372,912.12, 514,622.26 and 211,770.52 is: 292,245.32
Step by Step Solution
- Step 1: Write the proportion equation
372,912.12 : 514,622.26 = 211,770.52 : x - Step 2: Convert to fraction form
372,912.12/514,622.26 = 211,770.52/x - Step 3: Cross multiply
372,912.12x = 514,622.26 × 211,770.52 - Step 4: Simplify right side
372,912.12x = 108,981,823,603.78 - Step 5: Solve for x
x = 108,981,823,603.78/372,912.12 - Step 6: Final answer
x = 292,245.32
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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.