Finding the Fourth Proportional to 287,914.26, 397,320.68 and 160,589.76
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Solution
The fourth proportional to 287,914.26, 397,320.68 and 160,589.76 is: 221,613.31
Step by Step Solution
- Step 1: Write the proportion equation
287,914.26 : 397,320.68 = 160,589.76 : x - Step 2: Convert to fraction form
287,914.26/397,320.68 = 160,589.76/x - Step 3: Cross multiply
287,914.26x = 397,320.68 × 160,589.76 - Step 4: Simplify right side
287,914.26x = 63,805,632,644.24 - Step 5: Solve for x
x = 63,805,632,644.24/287,914.26 - Step 6: Final answer
x = 221,613.31
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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.