Finding the Fourth Proportional to 204,512.09, 306,783.50 and 54,749.06
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Solution
The fourth proportional to 204,512.09, 306,783.50 and 54,749.06 is: 82,127.70
Step by Step Solution
- Step 1: Write the proportion equation
204,512.09 : 306,783.50 = 54,749.06 : x - Step 2: Convert to fraction form
204,512.09/306,783.50 = 54,749.06/x - Step 3: Cross multiply
204,512.09x = 306,783.50 × 54,749.06 - Step 4: Simplify right side
204,512.09x = 16,796,106,440.85 - Step 5: Solve for x
x = 16,796,106,440.85/204,512.09 - Step 6: Final answer
x = 82,127.70
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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.