Finding the Fourth Proportional to 201,135.97, 301,742.88 and 76,467.25
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Solution
The fourth proportional to 201,135.97, 301,742.88 and 76,467.25 is: 114,715.67
Step by Step Solution
- Step 1: Write the proportion equation
201,135.97 : 301,742.88 = 76,467.25 : x - Step 2: Convert to fraction form
201,135.97/301,742.88 = 76,467.25/x - Step 3: Cross multiply
201,135.97x = 301,742.88 × 76,467.25 - Step 4: Simplify right side
201,135.97x = 23,073,448,240.68 - Step 5: Solve for x
x = 23,073,448,240.68/201,135.97 - Step 6: Final answer
x = 114,715.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.