Finding the Fourth Proportional to 132,232.78, 198,378.51 and 43,482.70
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Solution
The fourth proportional to 132,232.78, 198,378.51 and 43,482.70 is: 65,233.70
Step by Step Solution
- Step 1: Write the proportion equation
132,232.78 : 198,378.51 = 43,482.70 : x - Step 2: Convert to fraction form
132,232.78/198,378.51 = 43,482.70/x - Step 3: Cross multiply
132,232.78x = 198,378.51 × 43,482.70 - Step 4: Simplify right side
132,232.78x = 8,626,033,236.78 - Step 5: Solve for x
x = 8,626,033,236.78/132,232.78 - Step 6: Final answer
x = 65,233.70
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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.