Finding the Fourth Proportional to 167,898.36, 231,716.09 and 125,383.08
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Solution
The fourth proportional to 167,898.36, 231,716.09 and 125,383.08 is: 173,040.86
Step by Step Solution
- Step 1: Write the proportion equation
167,898.36 : 231,716.09 = 125,383.08 : x - Step 2: Convert to fraction form
167,898.36/231,716.09 = 125,383.08/x - Step 3: Cross multiply
167,898.36x = 231,716.09 × 125,383.08 - Step 4: Simplify right side
167,898.36x = 29,053,277,049.76 - Step 5: Solve for x
x = 29,053,277,049.76/167,898.36 - Step 6: Final answer
x = 173,040.86
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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.