Finding the Fourth Proportional to 218,415.06, 327,622.20 and 68,668.41
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Solution
The fourth proportional to 218,415.06, 327,622.20 and 68,668.41 is: 103,002.49
Step by Step Solution
- Step 1: Write the proportion equation
218,415.06 : 327,622.20 = 68,668.41 : x - Step 2: Convert to fraction form
218,415.06/327,622.20 = 68,668.41/x - Step 3: Cross multiply
218,415.06x = 327,622.20 × 68,668.41 - Step 4: Simplify right side
218,415.06x = 22,497,295,554.70 - Step 5: Solve for x
x = 22,497,295,554.70/218,415.06 - Step 6: Final answer
x = 103,002.49
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1.5x scale
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.