Finding the Fourth Proportional to 239,583.96, 330,644.43 and 132,163.38
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Solution
The fourth proportional to 239,583.96, 330,644.43 and 132,163.38 is: 182,395.71
Step by Step Solution
- Step 1: Write the proportion equation
239,583.96 : 330,644.43 = 132,163.38 : x - Step 2: Convert to fraction form
239,583.96/330,644.43 = 132,163.38/x - Step 3: Cross multiply
239,583.96x = 330,644.43 × 132,163.38 - Step 4: Simplify right side
239,583.96x = 43,699,085,446.97 - Step 5: Solve for x
x = 43,699,085,446.97/239,583.96 - Step 6: Final answer
x = 182,395.71
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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.