Finding the Fourth Proportional to 205,876.94, 284,107.38 and 115,232.88
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Solution
The fourth proportional to 205,876.94, 284,107.38 and 115,232.88 is: 159,019.81
Step by Step Solution
- Step 1: Write the proportion equation
205,876.94 : 284,107.38 = 115,232.88 : x - Step 2: Convert to fraction form
205,876.94/284,107.38 = 115,232.88/x - Step 3: Cross multiply
205,876.94x = 284,107.38 × 115,232.88 - Step 4: Simplify right side
205,876.94x = 32,738,511,626.65 - Step 5: Solve for x
x = 32,738,511,626.65/205,876.94 - Step 6: Final answer
x = 159,019.81
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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.