Finding the Fourth Proportional to 287,161.26, 396,282.51 and 159,834.12
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Solution
The fourth proportional to 287,161.26, 396,282.51 and 159,834.12 is: 220,571.07
Step by Step Solution
- Step 1: Write the proportion equation
287,161.26 : 396,282.51 = 159,834.12 : x - Step 2: Convert to fraction form
287,161.26/396,282.51 = 159,834.12/x - Step 3: Cross multiply
287,161.26x = 396,282.51 × 159,834.12 - Step 4: Simplify right side
287,161.26x = 63,339,466,257.24 - Step 5: Solve for x
x = 63,339,466,257.24/287,161.26 - Step 6: Final answer
x = 220,571.07
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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.