Finding the Fourth Proportional to 326,902.64, 451,122.56 and 181,704.62
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Solution
The fourth proportional to 326,902.64, 451,122.56 and 181,704.62 is: 250,750.66
Step by Step Solution
- Step 1: Write the proportion equation
326,902.64 : 451,122.56 = 181,704.62 : x - Step 2: Convert to fraction form
326,902.64/451,122.56 = 181,704.62/x - Step 3: Cross multiply
326,902.64x = 451,122.56 × 181,704.62 - Step 4: Simplify right side
326,902.64x = 81,971,051,082.61 - Step 5: Solve for x
x = 81,971,051,082.61/326,902.64 - Step 6: Final answer
x = 250,750.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.