Finding the Fourth Proportional to 287,317.26, 396,497.82 and 166,528.62
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Solution
The fourth proportional to 287,317.26, 396,497.82 and 166,528.62 is: 229,809.50
Step by Step Solution
- Step 1: Write the proportion equation
287,317.26 : 396,497.82 = 166,528.62 : x - Step 2: Convert to fraction form
287,317.26/396,497.82 = 166,528.62/x - Step 3: Cross multiply
287,317.26x = 396,497.82 × 166,528.62 - Step 4: Simplify right side
287,317.26x = 66,028,234,797.61 - Step 5: Solve for x
x = 66,028,234,797.61/287,317.26 - Step 6: Final answer
x = 229,809.50
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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.