Finding the Fourth Proportional to 313,600.26, 432,765.97 and 170,361.32
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Solution
The fourth proportional to 313,600.26, 432,765.97 and 170,361.32 is: 235,097.33
Step by Step Solution
- Step 1: Write the proportion equation
313,600.26 : 432,765.97 = 170,361.32 : x - Step 2: Convert to fraction form
313,600.26/432,765.97 = 170,361.32/x - Step 3: Cross multiply
313,600.26x = 432,765.97 × 170,361.32 - Step 4: Simplify right side
313,600.26x = 73,726,582,556.29 - Step 5: Solve for x
x = 73,726,582,556.29/313,600.26 - Step 6: Final answer
x = 235,097.33
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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.