Finding the Fourth Proportional to 208,240.36, 312,357.84 and 50,470.18
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Solution
The fourth proportional to 208,240.36, 312,357.84 and 50,470.18 is: 75,704.62
Step by Step Solution
- Step 1: Write the proportion equation
208,240.36 : 312,357.84 = 50,470.18 : x - Step 2: Convert to fraction form
208,240.36/312,357.84 = 50,470.18/x - Step 3: Cross multiply
208,240.36x = 312,357.84 × 50,470.18 - Step 4: Simplify right side
208,240.36x = 15,764,756,409.21 - Step 5: Solve for x
x = 15,764,756,409.21/208,240.36 - Step 6: Final answer
x = 75,704.62
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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.