Finding the Fourth Proportional to 245,849.81, 339,252.05 and 150,338.05
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Solution
The fourth proportional to 245,849.81, 339,252.05 and 150,338.05 is: 207,453.86
Step by Step Solution
- Step 1: Write the proportion equation
245,849.81 : 339,252.05 = 150,338.05 : x - Step 2: Convert to fraction form
245,849.81/339,252.05 = 150,338.05/x - Step 3: Cross multiply
245,849.81x = 339,252.05 × 150,338.05 - Step 4: Simplify right side
245,849.81x = 51,002,491,183.22 - Step 5: Solve for x
x = 51,002,491,183.22/245,849.81 - Step 6: Final answer
x = 207,453.86
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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.