Finding the Fourth Proportional to 273,081.74, 409,578.68 and 115,289.69
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Solution
The fourth proportional to 273,081.74, 409,578.68 and 115,289.69 is: 172,915.99
Step by Step Solution
- Step 1: Write the proportion equation
273,081.74 : 409,578.68 = 115,289.69 : x - Step 2: Convert to fraction form
273,081.74/409,578.68 = 115,289.69/x - Step 3: Cross multiply
273,081.74x = 409,578.68 × 115,289.69 - Step 4: Simplify right side
273,081.74x = 47,220,197,288.14 - Step 5: Solve for x
x = 47,220,197,288.14/273,081.74 - Step 6: Final answer
x = 172,915.99
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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.