Finding the Fourth Proportional to 132,163.76, 198,243.93 and 32,324.78
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Solution
The fourth proportional to 132,163.76, 198,243.93 and 32,324.78 is: 48,486.75
Step by Step Solution
- Step 1: Write the proportion equation
132,163.76 : 198,243.93 = 32,324.78 : x - Step 2: Convert to fraction form
132,163.76/198,243.93 = 32,324.78/x - Step 3: Cross multiply
132,163.76x = 198,243.93 × 32,324.78 - Step 4: Simplify right side
132,163.76x = 6,408,191,423.59 - Step 5: Solve for x
x = 6,408,191,423.59/132,163.76 - Step 6: Final answer
x = 48,486.75
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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.