Finding the Fourth Proportional to 445,207.34, 667,841.99 and 178,968.03
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Solution
The fourth proportional to 445,207.34, 667,841.99 and 178,968.03 is: 268,464.50
Step by Step Solution
- Step 1: Write the proportion equation
445,207.34 : 667,841.99 = 178,968.03 : x - Step 2: Convert to fraction form
445,207.34/667,841.99 = 178,968.03/x - Step 3: Cross multiply
445,207.34x = 667,841.99 × 178,968.03 - Step 4: Simplify right side
445,207.34x = 119,522,364,406.74 - Step 5: Solve for x
x = 119,522,364,406.74/445,207.34 - Step 6: Final answer
x = 268,464.50
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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.