Finding the Fourth Proportional to 206,816.24, 285,405.38 and 116,173.60
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Solution
The fourth proportional to 206,816.24, 285,405.38 and 116,173.60 is: 160,318.99
Step by Step Solution
- Step 1: Write the proportion equation
206,816.24 : 285,405.38 = 116,173.60 : x - Step 2: Convert to fraction form
206,816.24/285,405.38 = 116,173.60/x - Step 3: Cross multiply
206,816.24x = 285,405.38 × 116,173.60 - Step 4: Simplify right side
206,816.24x = 33,156,570,453.97 - Step 5: Solve for x
x = 33,156,570,453.97/206,816.24 - Step 6: Final answer
x = 160,318.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.