Finding the Fourth Proportional to 251,974.97, 377,735.55 and 91,939.19
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Solution
The fourth proportional to 251,974.97, 377,735.55 and 91,939.19 is: 137,825.99
Step by Step Solution
- Step 1: Write the proportion equation
251,974.97 : 377,735.55 = 91,939.19 : x - Step 2: Convert to fraction form
251,974.97/377,735.55 = 91,939.19/x - Step 3: Cross multiply
251,974.97x = 377,735.55 × 91,939.19 - Step 4: Simplify right side
251,974.97x = 34,728,698,267.75 - Step 5: Solve for x
x = 34,728,698,267.75/251,974.97 - Step 6: Final answer
x = 137,825.99
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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.