Finding the Fourth Proportional to 242,351.88, 334,227.85 and 151,716.09
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Solution
The fourth proportional to 242,351.88, 334,227.85 and 151,716.09 is: 209,231.89
Step by Step Solution
- Step 1: Write the proportion equation
242,351.88 : 334,227.85 = 151,716.09 : x - Step 2: Convert to fraction form
242,351.88/334,227.85 = 151,716.09/x - Step 3: Cross multiply
242,351.88x = 334,227.85 × 151,716.09 - Step 4: Simplify right side
242,351.88x = 50,707,742,571.11 - Step 5: Solve for x
x = 50,707,742,571.11/242,351.88 - Step 6: Final answer
x = 209,231.89
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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.