Finding the Fourth Proportional to 226,707.75, 312,858.52 and 126,105.75
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Solution
The fourth proportional to 226,707.75, 312,858.52 and 126,105.75 is: 174,026.95
Step by Step Solution
- Step 1: Write the proportion equation
226,707.75 : 312,858.52 = 126,105.75 : x - Step 2: Convert to fraction form
226,707.75/312,858.52 = 126,105.75/x - Step 3: Cross multiply
226,707.75x = 312,858.52 × 126,105.75 - Step 4: Simplify right side
226,707.75x = 39,453,257,993.23 - Step 5: Solve for x
x = 39,453,257,993.23/226,707.75 - Step 6: Final answer
x = 174,026.95
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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.