Finding the Fourth Proportional to 239,832.71, 330,960.44 and 132,400.44
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Solution
The fourth proportional to 239,832.71, 330,960.44 and 132,400.44 is: 182,707.80
Step by Step Solution
- Step 1: Write the proportion equation
239,832.71 : 330,960.44 = 132,400.44 : x - Step 2: Convert to fraction form
239,832.71/330,960.44 = 132,400.44/x - Step 3: Cross multiply
239,832.71x = 330,960.44 × 132,400.44 - Step 4: Simplify right side
239,832.71x = 43,819,305,561.79 - Step 5: Solve for x
x = 43,819,305,561.79/239,832.71 - Step 6: Final answer
x = 182,707.80
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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.