Finding the Fourth Proportional to 667,531.22, 1,000,964.19 and 218,193.62
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Solution
The fourth proportional to 667,531.22, 1,000,964.19 and 218,193.62 is: 327,181.70
Step by Step Solution
- Step 1: Write the proportion equation
667,531.22 : 1,000,964.19 = 218,193.62 : x - Step 2: Convert to fraction form
667,531.22/1,000,964.19 = 218,193.62/x - Step 3: Cross multiply
667,531.22x = 1,000,964.19 × 218,193.62 - Step 4: Simplify right side
667,531.22x = 218,404,000,106.47 - Step 5: Solve for x
x = 218,404,000,106.47/667,531.22 - Step 6: Final answer
x = 327,181.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.