Finding the Fourth Proportional to 379,083.97, 568,953.47 and 154,568.17
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Solution
The fourth proportional to 379,083.97, 568,953.47 and 154,568.17 is: 231,985.80
Step by Step Solution
- Step 1: Write the proportion equation
379,083.97 : 568,953.47 = 154,568.17 : x - Step 2: Convert to fraction form
379,083.97/568,953.47 = 154,568.17/x - Step 3: Cross multiply
379,083.97x = 568,953.47 × 154,568.17 - Step 4: Simplify right side
379,083.97x = 87,942,096,673.05 - Step 5: Solve for x
x = 87,942,096,673.05/379,083.97 - Step 6: Final answer
x = 231,985.80
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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.