Finding the Fourth Proportional to 207,268.23, 310,884.49 and 126,194.25
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Solution
The fourth proportional to 207,268.23, 310,884.49 and 126,194.25 is: 189,280.50
Step by Step Solution
- Step 1: Write the proportion equation
207,268.23 : 310,884.49 = 126,194.25 : x - Step 2: Convert to fraction form
207,268.23/310,884.49 = 126,194.25/x - Step 3: Cross multiply
207,268.23x = 310,884.49 × 126,194.25 - Step 4: Simplify right side
207,268.23x = 39,231,835,052.18 - Step 5: Solve for x
x = 39,231,835,052.18/207,268.23 - Step 6: Final answer
x = 189,280.50
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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.