Finding the Fourth Proportional to 213,187.23, 294,198.75 and 117,694.08
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Solution
The fourth proportional to 213,187.23, 294,198.75 and 117,694.08 is: 162,418.04
Step by Step Solution
- Step 1: Write the proportion equation
213,187.23 : 294,198.75 = 117,694.08 : x - Step 2: Convert to fraction form
213,187.23/294,198.75 = 117,694.08/x - Step 3: Cross multiply
213,187.23x = 294,198.75 × 117,694.08 - Step 4: Simplify right side
213,187.23x = 34,625,451,218.40 - Step 5: Solve for x
x = 34,625,451,218.40/213,187.23 - Step 6: Final answer
x = 162,418.04
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1.5x scale
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.