Finding the Fourth Proportional to 204,724.88, 282,581.16 and 129,323.60
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Solution
The fourth proportional to 204,724.88, 282,581.16 and 129,323.60 is: 178,504.99
Step by Step Solution
- Step 1: Write the proportion equation
204,724.88 : 282,581.16 = 129,323.60 : x - Step 2: Convert to fraction form
204,724.88/282,581.16 = 129,323.60/x - Step 3: Cross multiply
204,724.88x = 282,581.16 × 129,323.60 - Step 4: Simplify right side
204,724.88x = 36,544,412,903.38 - Step 5: Solve for x
x = 36,544,412,903.38/204,724.88 - Step 6: Final answer
x = 178,504.99
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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.