Finding the Fourth Proportional to 341,717.40, 512,576.10 and 307,891.80
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Solution
The fourth proportional to 341,717.40, 512,576.10 and 307,891.80 is: 461,837.70
Step by Step Solution
- Step 1: Write the proportion equation
341,717.40 : 512,576.10 = 307,891.80 : x - Step 2: Convert to fraction form
341,717.40/512,576.10 = 307,891.80/x - Step 3: Cross multiply
341,717.40x = 512,576.10 × 307,891.80 - Step 4: Simplify right side
341,717.40x = 157,817,978,065.98 - Step 5: Solve for x
x = 157,817,978,065.98/341,717.40 - Step 6: Final answer
x = 461,837.70
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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.