Finding the Fourth Proportional to 183,785.97, 275,717.21 and 57,421.11
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Solution
The fourth proportional to 183,785.97, 275,717.21 and 57,421.11 is: 86,143.62
Step by Step Solution
- Step 1: Write the proportion equation
183,785.97 : 275,717.21 = 57,421.11 : x - Step 2: Convert to fraction form
183,785.97/275,717.21 = 57,421.11/x - Step 3: Cross multiply
183,785.97x = 275,717.21 × 57,421.11 - Step 4: Simplify right side
183,785.97x = 15,831,987,957.20 - Step 5: Solve for x
x = 15,831,987,957.20/183,785.97 - Step 6: Final answer
x = 86,143.62
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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.