Finding the Fourth Proportional to 213,906.87, 295,194.97 and 117,109.10
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Solution
The fourth proportional to 213,906.87, 295,194.97 and 117,109.10 is: 161,612.47
Step by Step Solution
- Step 1: Write the proportion equation
213,906.87 : 295,194.97 = 117,109.10 : x - Step 2: Convert to fraction form
213,906.87/295,194.97 = 117,109.10/x - Step 3: Cross multiply
213,906.87x = 295,194.97 × 117,109.10 - Step 4: Simplify right side
213,906.87x = 34,570,017,261.23 - Step 5: Solve for x
x = 34,570,017,261.23/213,906.87 - Step 6: Final answer
x = 161,612.47
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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.