Finding the Fourth Proportional to 221,163.63, 331,745.44 and 54,951.63
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Solution
The fourth proportional to 221,163.63, 331,745.44 and 54,951.63 is: 82,427.44
Step by Step Solution
- Step 1: Write the proportion equation
221,163.63 : 331,745.44 = 54,951.63 : x - Step 2: Convert to fraction form
221,163.63/331,745.44 = 54,951.63/x - Step 3: Cross multiply
221,163.63x = 331,745.44 × 54,951.63 - Step 4: Simplify right side
221,163.63x = 18,229,952,673.07 - Step 5: Solve for x
x = 18,229,952,673.07/221,163.63 - Step 6: Final answer
x = 82,427.44
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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.