Finding the Fourth Proportional to 313,882.26, 433,161.18 and 170,639.16
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Solution
The fourth proportional to 313,882.26, 433,161.18 and 170,639.16 is: 235,484.03
Step by Step Solution
- Step 1: Write the proportion equation
313,882.26 : 433,161.18 = 170,639.16 : x - Step 2: Convert to fraction form
313,882.26/433,161.18 = 170,639.16/x - Step 3: Cross multiply
313,882.26x = 433,161.18 × 170,639.16 - Step 4: Simplify right side
313,882.26x = 73,914,259,899.81 - Step 5: Solve for x
x = 73,914,259,899.81/313,882.26 - Step 6: Final answer
x = 235,484.03
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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.