Finding the Fourth Proportional to 275,795.67, 413,717.33 and 76,116.09
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Solution
The fourth proportional to 275,795.67, 413,717.33 and 76,116.09 is: 114,180.71
Step by Step Solution
- Step 1: Write the proportion equation
275,795.67 : 413,717.33 = 76,116.09 : x - Step 2: Convert to fraction form
275,795.67/413,717.33 = 76,116.09/x - Step 3: Cross multiply
275,795.67x = 413,717.33 × 76,116.09 - Step 4: Simplify right side
275,795.67x = 31,490,545,524.84 - Step 5: Solve for x
x = 31,490,545,524.84/275,795.67 - Step 6: Final answer
x = 114,180.71
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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.