Finding the Fourth Proportional to 424,879.11, 637,234.02 and 272,625.84
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Solution
The fourth proportional to 424,879.11, 637,234.02 and 272,625.84 is: 408,884.45
Step by Step Solution
- Step 1: Write the proportion equation
424,879.11 : 637,234.02 = 272,625.84 : x - Step 2: Convert to fraction form
424,879.11/637,234.02 = 272,625.84/x - Step 3: Cross multiply
424,879.11x = 637,234.02 × 272,625.84 - Step 4: Simplify right side
424,879.11x = 173,726,459,979.08 - Step 5: Solve for x
x = 173,726,459,979.08/424,879.11 - Step 6: Final answer
x = 408,884.45
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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.