Finding the Fourth Proportional to 287,368.26, 396,568.21 and 160,043.85
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Solution
The fourth proportional to 287,368.26, 396,568.21 and 160,043.85 is: 220,860.52
Step by Step Solution
- Step 1: Write the proportion equation
287,368.26 : 396,568.21 = 160,043.85 : x - Step 2: Convert to fraction form
287,368.26/396,568.21 = 160,043.85/x - Step 3: Cross multiply
287,368.26x = 396,568.21 × 160,043.85 - Step 4: Simplify right side
287,368.26x = 63,468,302,715.90 - Step 5: Solve for x
x = 63,468,302,715.90/287,368.26 - Step 6: Final answer
x = 220,860.52
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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.