Finding the Fourth Proportional to 284,755.93, 392,850.17 and 163,832.14
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Solution
The fourth proportional to 284,755.93, 392,850.17 and 163,832.14 is: 226,023.33
Step by Step Solution
- Step 1: Write the proportion equation
284,755.93 : 392,850.17 = 163,832.14 : x - Step 2: Convert to fraction form
284,755.93/392,850.17 = 163,832.14/x - Step 3: Cross multiply
284,755.93x = 392,850.17 × 163,832.14 - Step 4: Simplify right side
284,755.93x = 64,361,483,231.30 - Step 5: Solve for x
x = 64,361,483,231.30/284,755.93 - Step 6: Final answer
x = 226,023.33
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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.