Finding the Fourth Proportional to 218,118.96, 327,178.64 and 68,370.96
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Solution
The fourth proportional to 218,118.96, 327,178.64 and 68,370.96 is: 102,556.50
Step by Step Solution
- Step 1: Write the proportion equation
218,118.96 : 327,178.64 = 68,370.96 : x - Step 2: Convert to fraction form
218,118.96/327,178.64 = 68,370.96/x - Step 3: Cross multiply
218,118.96x = 327,178.64 × 68,370.96 - Step 4: Simplify right side
218,118.96x = 22,369,517,708.29 - Step 5: Solve for x
x = 22,369,517,708.29/218,118.96 - Step 6: Final answer
x = 102,556.50
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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.