Finding the Fourth Proportional to 491,349.36, 737,033.28 and 154,383.84
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Solution
The fourth proportional to 491,349.36, 737,033.28 and 154,383.84 is: 231,578.66
Step by Step Solution
- Step 1: Write the proportion equation
491,349.36 : 737,033.28 = 154,383.84 : x - Step 2: Convert to fraction form
491,349.36/737,033.28 = 154,383.84/x - Step 3: Cross multiply
491,349.36x = 737,033.28 × 154,383.84 - Step 4: Simplify right side
491,349.36x = 113,786,027,974.20 - Step 5: Solve for x
x = 113,786,027,974.20/491,349.36 - Step 6: Final answer
x = 231,578.66
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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.