Finding the Fourth Proportional to 287,340.75, 396,143.73 and 201,183.84
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Solution
The fourth proportional to 287,340.75, 396,143.73 and 201,183.84 is: 277,363.08
Step by Step Solution
- Step 1: Write the proportion equation
287,340.75 : 396,143.73 = 201,183.84 : x - Step 2: Convert to fraction form
287,340.75/396,143.73 = 201,183.84/x - Step 3: Cross multiply
287,340.75x = 396,143.73 × 201,183.84 - Step 4: Simplify right side
287,340.75x = 79,697,716,793.32 - Step 5: Solve for x
x = 79,697,716,793.32/287,340.75 - Step 6: Final answer
x = 277,363.08
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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.