Finding the Fourth Proportional to 227,220.37, 313,566.30 and 125,249.76
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Solution
The fourth proportional to 227,220.37, 313,566.30 and 125,249.76 is: 172,845.88
Step by Step Solution
- Step 1: Write the proportion equation
227,220.37 : 313,566.30 = 125,249.76 : x - Step 2: Convert to fraction form
227,220.37/313,566.30 = 125,249.76/x - Step 3: Cross multiply
227,220.37x = 313,566.30 × 125,249.76 - Step 4: Simplify right side
227,220.37x = 39,274,103,819.09 - Step 5: Solve for x
x = 39,274,103,819.09/227,220.37 - Step 6: Final answer
x = 172,845.88
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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.