Finding the Fourth Proportional to 204,664.80, 306,975.84 and 54,921.12
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Solution
The fourth proportional to 204,664.80, 306,975.84 and 54,921.12 is: 82,375.95
Step by Step Solution
- Step 1: Write the proportion equation
204,664.80 : 306,975.84 = 54,921.12 : x - Step 2: Convert to fraction form
204,664.80/306,975.84 = 54,921.12/x - Step 3: Cross multiply
204,664.80x = 306,975.84 × 54,921.12 - Step 4: Simplify right side
204,664.80x = 16,859,456,945.74 - Step 5: Solve for x
x = 16,859,456,945.74/204,664.80 - Step 6: Final answer
x = 82,375.95
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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.