Finding the Fourth Proportional to 204,212.39, 281,771.73 and 119,313.05
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Solution
The fourth proportional to 204,212.39, 281,771.73 and 119,313.05 is: 164,627.84
Step by Step Solution
- Step 1: Write the proportion equation
204,212.39 : 281,771.73 = 119,313.05 : x - Step 2: Convert to fraction form
204,212.39/281,771.73 = 119,313.05/x - Step 3: Cross multiply
204,212.39x = 281,771.73 × 119,313.05 - Step 4: Simplify right side
204,212.39x = 33,619,043,101.22 - Step 5: Solve for x
x = 33,619,043,101.22/204,212.39 - Step 6: Final answer
x = 164,627.84
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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.