Finding the Fourth Proportional to 203,946.99, 305,661.66 and 115,250.16
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Solution
The fourth proportional to 203,946.99, 305,661.66 and 115,250.16 is: 172,728.98
Step by Step Solution
- Step 1: Write the proportion equation
203,946.99 : 305,661.66 = 115,250.16 : x - Step 2: Convert to fraction form
203,946.99/305,661.66 = 115,250.16/x - Step 3: Cross multiply
203,946.99x = 305,661.66 × 115,250.16 - Step 4: Simplify right side
203,946.99x = 35,227,555,220.87 - Step 5: Solve for x
x = 35,227,555,220.87/203,946.99 - Step 6: Final answer
x = 172,728.98
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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.