Finding the Fourth Proportional to 317,716.20, 476,444.70 and 107,245.80
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Solution
The fourth proportional to 317,716.20, 476,444.70 and 107,245.80 is: 160,824.95
Step by Step Solution
- Step 1: Write the proportion equation
317,716.20 : 476,444.70 = 107,245.80 : x - Step 2: Convert to fraction form
317,716.20/476,444.70 = 107,245.80/x - Step 3: Cross multiply
317,716.20x = 476,444.70 × 107,245.80 - Step 4: Simplify right side
317,716.20x = 51,096,693,007.26 - Step 5: Solve for x
x = 51,096,693,007.26/317,716.20 - Step 6: Final answer
x = 160,824.95
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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.