Finding the Fourth Proportional to 491,491.73, 737,336.05 and 154,617.19
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Solution
The fourth proportional to 491,491.73, 737,336.05 and 154,617.19 is: 231,956.75
Step by Step Solution
- Step 1: Write the proportion equation
491,491.73 : 737,336.05 = 154,617.19 : x - Step 2: Convert to fraction form
491,491.73/737,336.05 = 154,617.19/x - Step 3: Cross multiply
491,491.73x = 737,336.05 × 154,617.19 - Step 4: Simplify right side
491,491.73x = 114,004,825,906.82 - Step 5: Solve for x
x = 114,004,825,906.82/491,491.73 - Step 6: Final answer
x = 231,956.75
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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.