Finding the Fourth Proportional to 186,072.92, 279,034.24 and 72,160.75
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Solution
The fourth proportional to 186,072.92, 279,034.24 and 72,160.75 is: 108,211.99
Step by Step Solution
- Step 1: Write the proportion equation
186,072.92 : 279,034.24 = 72,160.75 : x - Step 2: Convert to fraction form
186,072.92/279,034.24 = 72,160.75/x - Step 3: Cross multiply
186,072.92x = 279,034.24 × 72,160.75 - Step 4: Simplify right side
186,072.92x = 20,135,320,034.08 - Step 5: Solve for x
x = 20,135,320,034.08/186,072.92 - Step 6: Final answer
x = 108,211.99
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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.