Finding the Fourth Proportional to 283,934.09, 425,480.36 and 115,249.16
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Solution
The fourth proportional to 283,934.09, 425,480.36 and 115,249.16 is: 172,702.94
Step by Step Solution
- Step 1: Write the proportion equation
283,934.09 : 425,480.36 = 115,249.16 : x - Step 2: Convert to fraction form
283,934.09/425,480.36 = 115,249.16/x - Step 3: Cross multiply
283,934.09x = 425,480.36 × 115,249.16 - Step 4: Simplify right side
283,934.09x = 49,036,251,382.85 - Step 5: Solve for x
x = 49,036,251,382.85/283,934.09 - Step 6: Final answer
x = 172,702.94
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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.