Finding the Fourth Proportional to 287,163.93, 396,279.44 and 159,836.79
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Solution
The fourth proportional to 287,163.93, 396,279.44 and 159,836.79 is: 220,571.00
Step by Step Solution
- Step 1: Write the proportion equation
287,163.93 : 396,279.44 = 159,836.79 : x - Step 2: Convert to fraction form
287,163.93/396,279.44 = 159,836.79/x - Step 3: Cross multiply
287,163.93x = 396,279.44 × 159,836.79 - Step 4: Simplify right side
287,163.93x = 63,340,034,918.85 - Step 5: Solve for x
x = 63,340,034,918.85/287,163.93 - Step 6: Final answer
x = 220,571.00
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1.5x scale
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.