Finding the Fourth Proportional to 239,990.88, 331,185.84 and 132,567.84
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Solution
The fourth proportional to 239,990.88, 331,185.84 and 132,567.84 is: 182,942.75
Step by Step Solution
- Step 1: Write the proportion equation
239,990.88 : 331,185.84 = 132,567.84 : x - Step 2: Convert to fraction form
239,990.88/331,185.84 = 132,567.84/x - Step 3: Cross multiply
239,990.88x = 331,185.84 × 132,567.84 - Step 4: Simplify right side
239,990.88x = 43,904,591,447.39 - Step 5: Solve for x
x = 43,904,591,447.39/239,990.88 - Step 6: Final answer
x = 182,942.75
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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.