Finding the Fourth Proportional to 284,112.63, 392,157.39 and 167,933.73
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Solution
The fourth proportional to 284,112.63, 392,157.39 and 167,933.73 is: 231,796.99
Step by Step Solution
- Step 1: Write the proportion equation
284,112.63 : 392,157.39 = 167,933.73 : x - Step 2: Convert to fraction form
284,112.63/392,157.39 = 167,933.73/x - Step 3: Cross multiply
284,112.63x = 392,157.39 × 167,933.73 - Step 4: Simplify right side
284,112.63x = 65,856,453,249.76 - Step 5: Solve for x
x = 65,856,453,249.76/284,112.63 - Step 6: Final answer
x = 231,796.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.