Finding the Fourth Proportional to 301,642.87, 416,292.84 and 170,843.79
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Solution
The fourth proportional to 301,642.87, 416,292.84 and 170,843.79 is: 235,778.97
Step by Step Solution
- Step 1: Write the proportion equation
301,642.87 : 416,292.84 = 170,843.79 : x - Step 2: Convert to fraction form
301,642.87/416,292.84 = 170,843.79/x - Step 3: Cross multiply
301,642.87x = 416,292.84 × 170,843.79 - Step 4: Simplify right side
301,642.87x = 71,121,046,910.53 - Step 5: Solve for x
x = 71,121,046,910.53/301,642.87 - Step 6: Final answer
x = 235,778.97
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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.