Finding the Fourth Proportional to 275,794.67, 413,715.83 and 76,115.09
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Solution
The fourth proportional to 275,794.67, 413,715.83 and 76,115.09 is: 114,179.20
Step by Step Solution
- Step 1: Write the proportion equation
275,794.67 : 413,715.83 = 76,115.09 : x - Step 2: Convert to fraction form
275,794.67/413,715.83 = 76,115.09/x - Step 3: Cross multiply
275,794.67x = 413,715.83 × 76,115.09 - Step 4: Simplify right side
275,794.67x = 31,490,015,185.72 - Step 5: Solve for x
x = 31,490,015,185.72/275,794.67 - Step 6: Final answer
x = 114,179.20
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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.