Finding the Fourth Proportional to 226,408.06, 339,463.05 and 126,715.42
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Solution
The fourth proportional to 226,408.06, 339,463.05 and 126,715.42 is: 189,989.72
Step by Step Solution
- Step 1: Write the proportion equation
226,408.06 : 339,463.05 = 126,715.42 : x - Step 2: Convert to fraction form
226,408.06/339,463.05 = 126,715.42/x - Step 3: Cross multiply
226,408.06x = 339,463.05 × 126,715.42 - Step 4: Simplify right side
226,408.06x = 43,015,202,955.23 - Step 5: Solve for x
x = 43,015,202,955.23/226,408.06 - Step 6: Final answer
x = 189,989.72
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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.