Finding the Fourth Proportional to 451,694.61, 677,578.77 and 226,939.05
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Solution
The fourth proportional to 451,694.61, 677,578.77 and 226,939.05 is: 340,427.09
Step by Step Solution
- Step 1: Write the proportion equation
451,694.61 : 677,578.77 = 226,939.05 : x - Step 2: Convert to fraction form
451,694.61/677,578.77 = 226,939.05/x - Step 3: Cross multiply
451,694.61x = 677,578.77 × 226,939.05 - Step 4: Simplify right side
451,694.61x = 153,769,082,363.97 - Step 5: Solve for x
x = 153,769,082,363.97/451,694.61 - Step 6: Final answer
x = 340,427.09
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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.