Finding the Fourth Proportional to 186,471.14, 279,734.27 and 68,114.81
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Solution
The fourth proportional to 186,471.14, 279,734.27 and 68,114.81 is: 102,182.28
Step by Step Solution
- Step 1: Write the proportion equation
186,471.14 : 279,734.27 = 68,114.81 : x - Step 2: Convert to fraction form
186,471.14/279,734.27 = 68,114.81/x - Step 3: Cross multiply
186,471.14x = 279,734.27 × 68,114.81 - Step 4: Simplify right side
186,471.14x = 19,054,044,912.29 - Step 5: Solve for x
x = 19,054,044,912.29/186,471.14 - Step 6: Final answer
x = 102,182.28
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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.