Finding the Fourth Proportional to 227,142.44, 313,452.26 and 125,177.32
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Solution
The fourth proportional to 227,142.44, 313,452.26 and 125,177.32 is: 172,742.33
Step by Step Solution
- Step 1: Write the proportion equation
227,142.44 : 313,452.26 = 125,177.32 : x - Step 2: Convert to fraction form
227,142.44/313,452.26 = 125,177.32/x - Step 3: Cross multiply
227,142.44x = 313,452.26 × 125,177.32 - Step 4: Simplify right side
227,142.44x = 39,237,113,620.67 - Step 5: Solve for x
x = 39,237,113,620.67/227,142.44 - Step 6: Final answer
x = 172,742.33
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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.