Finding the Fourth Proportional to 218,982.80, 327,859.80 and 212,838.80
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Solution
The fourth proportional to 218,982.80, 327,859.80 and 212,838.80 is: 318,661.04
Step by Step Solution
- Step 1: Write the proportion equation
218,982.80 : 327,859.80 = 212,838.80 : x - Step 2: Convert to fraction form
218,982.80/327,859.80 = 212,838.80/x - Step 3: Cross multiply
218,982.80x = 327,859.80 × 212,838.80 - Step 4: Simplify right side
218,982.80x = 69,781,286,400.24 - Step 5: Solve for x
x = 69,781,286,400.24/218,982.80 - Step 6: Final answer
x = 318,661.04
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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.