Finding the Fourth Proportional to 132,115.49, 198,193.91 and 43,348.80
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Solution
The fourth proportional to 132,115.49, 198,193.91 and 43,348.80 is: 65,029.99
Step by Step Solution
- Step 1: Write the proportion equation
132,115.49 : 198,193.91 = 43,348.80 : x - Step 2: Convert to fraction form
132,115.49/198,193.91 = 43,348.80/x - Step 3: Cross multiply
132,115.49x = 198,193.91 × 43,348.80 - Step 4: Simplify right side
132,115.49x = 8,591,468,692.29 - Step 5: Solve for x
x = 8,591,468,692.29/132,115.49 - Step 6: Final answer
x = 65,029.99
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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.