Finding the Fourth Proportional to 284,284.70, 426,935.28 and 272,855.75
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Solution
The fourth proportional to 284,284.70, 426,935.28 and 272,855.75 is: 409,771.42
Step by Step Solution
- Step 1: Write the proportion equation
284,284.70 : 426,935.28 = 272,855.75 : x - Step 2: Convert to fraction form
284,284.70/426,935.28 = 272,855.75/x - Step 3: Cross multiply
284,284.70x = 426,935.28 × 272,855.75 - Step 4: Simplify right side
284,284.70x = 116,491,743,891.18 - Step 5: Solve for x
x = 116,491,743,891.18/284,284.70 - Step 6: Final answer
x = 409,771.42
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1.5x scale
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.