Finding the Fourth Proportional to 226,138.05, 339,214.56 and 113,757.03
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Solution
The fourth proportional to 226,138.05, 339,214.56 and 113,757.03 is: 170,639.31
Step by Step Solution
- Step 1: Write the proportion equation
226,138.05 : 339,214.56 = 113,757.03 : x - Step 2: Convert to fraction form
226,138.05/339,214.56 = 113,757.03/x - Step 3: Cross multiply
226,138.05x = 339,214.56 × 113,757.03 - Step 4: Simplify right side
226,138.05x = 38,588,040,878.36 - Step 5: Solve for x
x = 38,588,040,878.36/226,138.05 - Step 6: Final answer
x = 170,639.31
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1.5x scale
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.