Finding the Fourth Proportional to 239,736.64, 330,857.76 and 132,329.92
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Solution
The fourth proportional to 239,736.64, 330,857.76 and 132,329.92 is: 182,626.99
Step by Step Solution
- Step 1: Write the proportion equation
239,736.64 : 330,857.76 = 132,329.92 : x - Step 2: Convert to fraction form
239,736.64/330,857.76 = 132,329.92/x - Step 3: Cross multiply
239,736.64x = 330,857.76 × 132,329.92 - Step 4: Simplify right side
239,736.64x = 43,782,380,912.18 - Step 5: Solve for x
x = 43,782,380,912.18/239,736.64 - Step 6: Final answer
x = 182,626.99
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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.