Finding the Fourth Proportional to 272,945.20, 408,918.84 and 197,879.44
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Solution
The fourth proportional to 272,945.20, 408,918.84 and 197,879.44 is: 296,457.42
Step by Step Solution
- Step 1: Write the proportion equation
272,945.20 : 408,918.84 = 197,879.44 : x - Step 2: Convert to fraction form
272,945.20/408,918.84 = 197,879.44/x - Step 3: Cross multiply
272,945.20x = 408,918.84 × 197,879.44 - Step 4: Simplify right side
272,945.20x = 80,916,631,064.65 - Step 5: Solve for x
x = 80,916,631,064.65/272,945.20 - Step 6: Final answer
x = 296,457.42
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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.