Finding the Fourth Proportional to 275,789.67, 413,708.33 and 76,110.09
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Solution
The fourth proportional to 275,789.67, 413,708.33 and 76,110.09 is: 114,171.71
Step by Step Solution
- Step 1: Write the proportion equation
275,789.67 : 413,708.33 = 76,110.09 : x - Step 2: Convert to fraction form
275,789.67/413,708.33 = 76,110.09/x - Step 3: Cross multiply
275,789.67x = 413,708.33 × 76,110.09 - Step 4: Simplify right side
275,789.67x = 31,487,378,230.05 - Step 5: Solve for x
x = 31,487,378,230.05/275,789.67 - Step 6: Final answer
x = 114,171.71
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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.