Finding the Fourth Proportional to 231,814.53, 347,721.80 and 126,576.09
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Solution
The fourth proportional to 231,814.53, 347,721.80 and 126,576.09 is: 189,864.14
Step by Step Solution
- Step 1: Write the proportion equation
231,814.53 : 347,721.80 = 126,576.09 : x - Step 2: Convert to fraction form
231,814.53/347,721.80 = 126,576.09/x - Step 3: Cross multiply
231,814.53x = 347,721.80 × 126,576.09 - Step 4: Simplify right side
231,814.53x = 44,013,265,218.88 - Step 5: Solve for x
x = 44,013,265,218.88/231,814.53 - Step 6: Final answer
x = 189,864.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.