Finding the Fourth Proportional to 218,105.97, 327,159.09 and 68,357.94
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Solution
The fourth proportional to 218,105.97, 327,159.09 and 68,357.94 is: 102,536.95
Step by Step Solution
- Step 1: Write the proportion equation
218,105.97 : 327,159.09 = 68,357.94 : x - Step 2: Convert to fraction form
218,105.97/327,159.09 = 68,357.94/x - Step 3: Cross multiply
218,105.97x = 327,159.09 × 68,357.94 - Step 4: Simplify right side
218,105.97x = 22,363,921,444.67 - Step 5: Solve for x
x = 22,363,921,444.67/218,105.97 - Step 6: Final answer
x = 102,536.95
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1.5x scale
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.