Finding the Fourth Proportional to 239,818.97, 330,950.67 and 132,389.14
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Solution
The fourth proportional to 239,818.97, 330,950.67 and 132,389.14 is: 182,697.28
Step by Step Solution
- Step 1: Write the proportion equation
239,818.97 : 330,950.67 = 132,389.14 : x - Step 2: Convert to fraction form
239,818.97/330,950.67 = 132,389.14/x - Step 3: Cross multiply
239,818.97x = 330,950.67 × 132,389.14 - Step 4: Simplify right side
239,818.97x = 43,814,274,583.72 - Step 5: Solve for x
x = 43,814,274,583.72/239,818.97 - Step 6: Final answer
x = 182,697.28
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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.