Finding the Fourth Proportional to 171,604.09, 236,673.26 and 120,785.05
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Solution
The fourth proportional to 171,604.09, 236,673.26 and 120,785.05 is: 166,584.56
Step by Step Solution
- Step 1: Write the proportion equation
171,604.09 : 236,673.26 = 120,785.05 : x - Step 2: Convert to fraction form
171,604.09/236,673.26 = 120,785.05/x - Step 3: Cross multiply
171,604.09x = 236,673.26 × 120,785.05 - Step 4: Simplify right side
171,604.09x = 28,586,591,687.62 - Step 5: Solve for x
x = 28,586,591,687.62/171,604.09 - Step 6: Final answer
x = 166,584.56
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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.