Finding the Fourth Proportional to 228,879.06, 343,375.71 and 161,542.68
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Solution
The fourth proportional to 228,879.06, 343,375.71 and 161,542.68 is: 242,354.34
Step by Step Solution
- Step 1: Write the proportion equation
228,879.06 : 343,375.71 = 161,542.68 : x - Step 2: Convert to fraction form
228,879.06/343,375.71 = 161,542.68/x - Step 3: Cross multiply
228,879.06x = 343,375.71 × 161,542.68 - Step 4: Simplify right side
228,879.06x = 55,469,832,440.30 - Step 5: Solve for x
x = 55,469,832,440.30/228,879.06 - Step 6: Final answer
x = 242,354.34
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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.