Finding the Fourth Proportional to 272,524.05, 408,786.21 and 122,589.17
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Solution
The fourth proportional to 272,524.05, 408,786.21 and 122,589.17 is: 183,883.81
Step by Step Solution
- Step 1: Write the proportion equation
272,524.05 : 408,786.21 = 122,589.17 : x - Step 2: Convert to fraction form
272,524.05/408,786.21 = 122,589.17/x - Step 3: Cross multiply
272,524.05x = 408,786.21 × 122,589.17 - Step 4: Simplify right side
272,524.05x = 50,112,762,700.78 - Step 5: Solve for x
x = 50,112,762,700.78/272,524.05 - Step 6: Final answer
x = 183,883.81
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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.