Finding the Fourth Proportional to 218,107.47, 327,161.34 and 68,359.44
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Solution
The fourth proportional to 218,107.47, 327,161.34 and 68,359.44 is: 102,539.20
Step by Step Solution
- Step 1: Write the proportion equation
218,107.47 : 327,161.34 = 68,359.44 : x - Step 2: Convert to fraction form
218,107.47/327,161.34 = 68,359.44/x - Step 3: Cross multiply
218,107.47x = 327,161.34 × 68,359.44 - Step 4: Simplify right side
218,107.47x = 22,364,565,992.05 - Step 5: Solve for x
x = 22,364,565,992.05/218,107.47 - Step 6: Final answer
x = 102,539.20
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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.