Finding the Fourth Proportional to 273,270.20, 409,917.60 and 83,716.79
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Solution
The fourth proportional to 273,270.20, 409,917.60 and 83,716.79 is: 125,578.95
Step by Step Solution
- Step 1: Write the proportion equation
273,270.20 : 409,917.60 = 83,716.79 : x - Step 2: Convert to fraction form
273,270.20/409,917.60 = 83,716.79/x - Step 3: Cross multiply
273,270.20x = 409,917.60 × 83,716.79 - Step 4: Simplify right side
273,270.20x = 34,316,983,586.92 - Step 5: Solve for x
x = 34,316,983,586.92/273,270.20 - Step 6: Final answer
x = 125,578.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.