Finding the Fourth Proportional to 239,640.26, 330,687.20 and 132,212.09
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Solution
The fourth proportional to 239,640.26, 330,687.20 and 132,212.09 is: 182,443.65
Step by Step Solution
- Step 1: Write the proportion equation
239,640.26 : 330,687.20 = 132,212.09 : x - Step 2: Convert to fraction form
239,640.26/330,687.20 = 132,212.09/x - Step 3: Cross multiply
239,640.26x = 330,687.20 × 132,212.09 - Step 4: Simplify right side
239,640.26x = 43,720,843,533.75 - Step 5: Solve for x
x = 43,720,843,533.75/239,640.26 - Step 6: Final answer
x = 182,443.65
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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.