Finding the Fourth Proportional to 227,057.75, 313,349.42 and 126,455.75
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Solution
The fourth proportional to 227,057.75, 313,349.42 and 126,455.75 is: 174,514.35
Step by Step Solution
- Step 1: Write the proportion equation
227,057.75 : 313,349.42 = 126,455.75 : x - Step 2: Convert to fraction form
227,057.75/313,349.42 = 126,455.75/x - Step 3: Cross multiply
227,057.75x = 313,349.42 × 126,455.75 - Step 4: Simplify right side
227,057.75x = 39,624,835,285.89 - Step 5: Solve for x
x = 39,624,835,285.89/227,057.75 - Step 6: Final answer
x = 174,514.35
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1.5x scale
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.