Finding the Fourth Proportional to 132,004.40, 198,006.60 and 32,163.80
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Solution
The fourth proportional to 132,004.40, 198,006.60 and 32,163.80 is: 48,245.70
Step by Step Solution
- Step 1: Write the proportion equation
132,004.40 : 198,006.60 = 32,163.80 : x - Step 2: Convert to fraction form
132,004.40/198,006.60 = 32,163.80/x - Step 3: Cross multiply
132,004.40x = 198,006.60 × 32,163.80 - Step 4: Simplify right side
132,004.40x = 6,368,644,681.08 - Step 5: Solve for x
x = 6,368,644,681.08/132,004.40 - Step 6: Final answer
x = 48,245.70
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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.