Finding the Fourth Proportional to 226,389.40, 339,633.09 and 68,629.75
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Solution
The fourth proportional to 226,389.40, 339,633.09 and 68,629.75 is: 102,959.48
Step by Step Solution
- Step 1: Write the proportion equation
226,389.40 : 339,633.09 = 68,629.75 : x - Step 2: Convert to fraction form
226,389.40/339,633.09 = 68,629.75/x - Step 3: Cross multiply
226,389.40x = 339,633.09 × 68,629.75 - Step 4: Simplify right side
226,389.40x = 23,308,934,058.43 - Step 5: Solve for x
x = 23,308,934,058.43/226,389.40 - Step 6: Final answer
x = 102,959.48
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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.