Finding the Fourth Proportional to 218,201.82, 327,303.11 and 68,453.91
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Solution
The fourth proportional to 218,201.82, 327,303.11 and 68,453.91 is: 102,680.99
Step by Step Solution
- Step 1: Write the proportion equation
218,201.82 : 327,303.11 = 68,453.91 : x - Step 2: Convert to fraction form
218,201.82/327,303.11 = 68,453.91/x - Step 3: Cross multiply
218,201.82x = 327,303.11 × 68,453.91 - Step 4: Simplify right side
218,201.82x = 22,405,177,805.79 - Step 5: Solve for x
x = 22,405,177,805.79/218,201.82 - Step 6: Final answer
x = 102,680.99
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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.