Finding the Fourth Proportional to 196,161.75, 294,286.37 and 71,502.75
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Solution
The fourth proportional to 196,161.75, 294,286.37 and 71,502.75 is: 107,270.07
Step by Step Solution
- Step 1: Write the proportion equation
196,161.75 : 294,286.37 = 71,502.75 : x - Step 2: Convert to fraction form
196,161.75/294,286.37 = 71,502.75/x - Step 3: Cross multiply
196,161.75x = 294,286.37 × 71,502.75 - Step 4: Simplify right side
196,161.75x = 21,042,284,385.00 - Step 5: Solve for x
x = 21,042,284,385.00/196,161.75 - Step 6: Final answer
x = 107,270.07
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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.