Finding the Fourth Proportional to 226,415.26, 312,456.29 and 124,450.15
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Solution
The fourth proportional to 226,415.26, 312,456.29 and 124,450.15 is: 171,742.98
Step by Step Solution
- Step 1: Write the proportion equation
226,415.26 : 312,456.29 = 124,450.15 : x - Step 2: Convert to fraction form
226,415.26/312,456.29 = 124,450.15/x - Step 3: Cross multiply
226,415.26x = 312,456.29 × 124,450.15 - Step 4: Simplify right side
226,415.26x = 38,885,230,441.10 - Step 5: Solve for x
x = 38,885,230,441.10/226,415.26 - Step 6: Final answer
x = 171,742.98
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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.