Finding the Fourth Proportional to 227,212.44, 313,555.26 and 125,241.82
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Solution
The fourth proportional to 227,212.44, 313,555.26 and 125,241.82 is: 172,834.85
Step by Step Solution
- Step 1: Write the proportion equation
227,212.44 : 313,555.26 = 125,241.82 : x - Step 2: Convert to fraction form
227,212.44/313,555.26 = 125,241.82/x - Step 3: Cross multiply
227,212.44x = 313,555.26 × 125,241.82 - Step 4: Simplify right side
227,212.44x = 39,270,229,552.09 - Step 5: Solve for x
x = 39,270,229,552.09/227,212.44 - Step 6: Final answer
x = 172,834.85
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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.