Finding the Fourth Proportional to 218,102.10, 327,152.64 and 68,353.80
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Solution
The fourth proportional to 218,102.10, 327,152.64 and 68,353.80 is: 102,530.54
Step by Step Solution
- Step 1: Write the proportion equation
218,102.10 : 327,152.64 = 68,353.80 : x - Step 2: Convert to fraction form
218,102.10/327,152.64 = 68,353.80/x - Step 3: Cross multiply
218,102.10x = 327,152.64 × 68,353.80 - Step 4: Simplify right side
218,102.10x = 22,362,126,124.03 - Step 5: Solve for x
x = 22,362,126,124.03/218,102.10 - Step 6: Final answer
x = 102,530.54
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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.