Finding the Fourth Proportional to 197,446.88, 272,481.36 and 112,571.84
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Solution
The fourth proportional to 197,446.88, 272,481.36 and 112,571.84 is: 155,351.80
Step by Step Solution
- Step 1: Write the proportion equation
197,446.88 : 272,481.36 = 112,571.84 : x - Step 2: Convert to fraction form
197,446.88/272,481.36 = 112,571.84/x - Step 3: Cross multiply
197,446.88x = 272,481.36 × 112,571.84 - Step 4: Simplify right side
197,446.88x = 30,673,728,060.90 - Step 5: Solve for x
x = 30,673,728,060.90/197,446.88 - Step 6: Final answer
x = 155,351.80
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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.