Finding the Fourth Proportional to 218,615.27, 327,968.99 and 70,859.75
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Solution
The fourth proportional to 218,615.27, 327,968.99 and 70,859.75 is: 106,304.56
Step by Step Solution
- Step 1: Write the proportion equation
218,615.27 : 327,968.99 = 70,859.75 : x - Step 2: Convert to fraction form
218,615.27/327,968.99 = 70,859.75/x - Step 3: Cross multiply
218,615.27x = 327,968.99 × 70,859.75 - Step 4: Simplify right side
218,615.27x = 23,239,800,639.15 - Step 5: Solve for x
x = 23,239,800,639.15/218,615.27 - Step 6: Final answer
x = 106,304.56
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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.