Finding the Fourth Proportional to 225,919.26, 311,768.73 and 125,317.26
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Solution
The fourth proportional to 225,919.26, 311,768.73 and 125,317.26 is: 172,937.90
Step by Step Solution
- Step 1: Write the proportion equation
225,919.26 : 311,768.73 = 125,317.26 : x - Step 2: Convert to fraction form
225,919.26/311,768.73 = 125,317.26/x - Step 3: Cross multiply
225,919.26x = 311,768.73 × 125,317.26 - Step 4: Simplify right side
225,919.26x = 39,070,002,997.28 - Step 5: Solve for x
x = 39,070,002,997.28/225,919.26 - Step 6: Final answer
x = 172,937.90
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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.