Finding the Fourth Proportional to 239,608.10, 330,661.97 and 132,182.05
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Solution
The fourth proportional to 239,608.10, 330,661.97 and 132,182.05 is: 182,412.77
Step by Step Solution
- Step 1: Write the proportion equation
239,608.10 : 330,661.97 = 132,182.05 : x - Step 2: Convert to fraction form
239,608.10/330,661.97 = 132,182.05/x - Step 3: Cross multiply
239,608.10x = 330,661.97 × 132,182.05 - Step 4: Simplify right side
239,608.10x = 43,707,577,051.64 - Step 5: Solve for x
x = 43,707,577,051.64/239,608.10 - Step 6: Final answer
x = 182,412.77
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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.