Finding the Fourth Proportional to 284,883.46, 427,372.71 and 127,105.99
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Solution
The fourth proportional to 284,883.46, 427,372.71 and 127,105.99 is: 190,680.19
Step by Step Solution
- Step 1: Write the proportion equation
284,883.46 : 427,372.71 = 127,105.99 : x - Step 2: Convert to fraction form
284,883.46/427,372.71 = 127,105.99/x - Step 3: Cross multiply
284,883.46x = 427,372.71 × 127,105.99 - Step 4: Simplify right side
284,883.46x = 54,321,631,403.53 - Step 5: Solve for x
x = 54,321,631,403.53/284,883.46 - Step 6: Final answer
x = 190,680.19
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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.