Finding the Fourth Proportional to 218,107.09, 327,160.14 and 68,358.79
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Solution
The fourth proportional to 218,107.09, 327,160.14 and 68,358.79 is: 102,538.03
Step by Step Solution
- Step 1: Write the proportion equation
218,107.09 : 327,160.14 = 68,358.79 : x - Step 2: Convert to fraction form
218,107.09/327,160.14 = 68,358.79/x - Step 3: Cross multiply
218,107.09x = 327,160.14 × 68,358.79 - Step 4: Simplify right side
218,107.09x = 22,364,271,306.63 - Step 5: Solve for x
x = 22,364,271,306.63/218,107.09 - Step 6: Final answer
x = 102,538.03
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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.