Finding the Fourth Proportional to 121,283.42, 181,912.41 and 32,546.02
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Solution
The fourth proportional to 121,283.42, 181,912.41 and 32,546.02 is: 48,815.62
Step by Step Solution
- Step 1: Write the proportion equation
121,283.42 : 181,912.41 = 32,546.02 : x - Step 2: Convert to fraction form
121,283.42/181,912.41 = 32,546.02/x - Step 3: Cross multiply
121,283.42x = 181,912.41 × 32,546.02 - Step 4: Simplify right side
121,283.42x = 5,920,524,934.11 - Step 5: Solve for x
x = 5,920,524,934.11/121,283.42 - Step 6: Final answer
x = 48,815.62
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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.