Finding the Fourth Proportional to 239,661.68, 330,734.18 and 132,231.66
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Solution
The fourth proportional to 239,661.68, 330,734.18 and 132,231.66 is: 182,480.28
Step by Step Solution
- Step 1: Write the proportion equation
239,661.68 : 330,734.18 = 132,231.66 : x - Step 2: Convert to fraction form
239,661.68/330,734.18 = 132,231.66/x - Step 3: Cross multiply
239,661.68x = 330,734.18 × 132,231.66 - Step 4: Simplify right side
239,661.68x = 43,733,529,640.14 - Step 5: Solve for x
x = 43,733,529,640.14/239,661.68 - Step 6: Final answer
x = 182,480.28
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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.