Finding the Fourth Proportional to 181,879.20, 272,818.80 and 102,163.05
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Solution
The fourth proportional to 181,879.20, 272,818.80 and 102,163.05 is: 153,244.58
Step by Step Solution
- Step 1: Write the proportion equation
181,879.20 : 272,818.80 = 102,163.05 : x - Step 2: Convert to fraction form
181,879.20/272,818.80 = 102,163.05/x - Step 3: Cross multiply
181,879.20x = 272,818.80 × 102,163.05 - Step 4: Simplify right side
181,879.20x = 27,872,000,705.34 - Step 5: Solve for x
x = 27,872,000,705.34/181,879.20 - Step 6: Final answer
x = 153,244.58
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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.