Finding the Fourth Proportional to 218,600.80, 327,286.80 and 212,456.80
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Solution
The fourth proportional to 218,600.80, 327,286.80 and 212,456.80 is: 318,088.07
Step by Step Solution
- Step 1: Write the proportion equation
218,600.80 : 327,286.80 = 212,456.80 : x - Step 2: Convert to fraction form
218,600.80/327,286.80 = 212,456.80/x - Step 3: Cross multiply
218,600.80x = 327,286.80 × 212,456.80 - Step 4: Simplify right side
218,600.80x = 69,534,306,210.24 - Step 5: Solve for x
x = 69,534,306,210.24/218,600.80 - Step 6: Final answer
x = 318,088.07
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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.