Finding the Fourth Proportional to 218,106.71, 327,160.14 and 68,358.62
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Solution
The fourth proportional to 218,106.71, 327,160.14 and 68,358.62 is: 102,537.95
Step by Step Solution
- Step 1: Write the proportion equation
218,106.71 : 327,160.14 = 68,358.62 : x - Step 2: Convert to fraction form
218,106.71/327,160.14 = 68,358.62/x - Step 3: Cross multiply
218,106.71x = 327,160.14 × 68,358.62 - Step 4: Simplify right side
218,106.71x = 22,364,215,689.41 - Step 5: Solve for x
x = 22,364,215,689.41/218,106.71 - Step 6: Final answer
x = 102,537.95
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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.