Finding the Fourth Proportional to 150,356.36, 207,491.77 and 82,375.75
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Solution
The fourth proportional to 150,356.36, 207,491.77 and 82,375.75 is: 113,678.52
Step by Step Solution
- Step 1: Write the proportion equation
150,356.36 : 207,491.77 = 82,375.75 : x - Step 2: Convert to fraction form
150,356.36/207,491.77 = 82,375.75/x - Step 3: Cross multiply
150,356.36x = 207,491.77 × 82,375.75 - Step 4: Simplify right side
150,356.36x = 17,092,288,723.24 - Step 5: Solve for x
x = 17,092,288,723.24/150,356.36 - Step 6: Final answer
x = 113,678.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.