Finding the Fourth Proportional to 667,172, 1,000,861.68 and 224,043.68
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Solution
The fourth proportional to 667,172, 1,000,861.68 and 224,043.68 is: 336,100.34
Step by Step Solution
- Step 1: Write the proportion equation
667,172 : 1,000,861.68 = 224,043.68 : x - Step 2: Convert to fraction form
667,172/1,000,861.68 = 224,043.68/x - Step 3: Cross multiply
667,172x = 1,000,861.68 × 224,043.68 - Step 4: Simplify right side
667,172x = 224,236,733,958.18 - Step 5: Solve for x
x = 224,236,733,958.18/667,172 - Step 6: Final answer
x = 336,100.34
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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.