Finding the Fourth Proportional to 213,126.14, 294,093.12 and 117,626.68
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Solution
The fourth proportional to 213,126.14, 294,093.12 and 117,626.68 is: 162,313.26
Step by Step Solution
- Step 1: Write the proportion equation
213,126.14 : 294,093.12 = 117,626.68 : x - Step 2: Convert to fraction form
213,126.14/294,093.12 = 117,626.68/x - Step 3: Cross multiply
213,126.14x = 294,093.12 × 117,626.68 - Step 4: Simplify right side
213,126.14x = 34,593,198,125.16 - Step 5: Solve for x
x = 34,593,198,125.16/213,126.14 - Step 6: Final answer
x = 162,313.26
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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.