Finding the Fourth Proportional to 115,441.72, 173,163.92 and 40,564.04
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Solution
The fourth proportional to 115,441.72, 173,163.92 and 40,564.04 is: 60,846.53
Step by Step Solution
- Step 1: Write the proportion equation
115,441.72 : 173,163.92 = 40,564.04 : x - Step 2: Convert to fraction form
115,441.72/173,163.92 = 40,564.04/x - Step 3: Cross multiply
115,441.72x = 173,163.92 × 40,564.04 - Step 4: Simplify right side
115,441.72x = 7,024,228,177.44 - Step 5: Solve for x
x = 7,024,228,177.44/115,441.72 - Step 6: Final answer
x = 60,846.53
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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.