Finding the Fourth Proportional to 213,186.96, 294,193.92 and 117,691.68
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Solution
The fourth proportional to 213,186.96, 294,193.92 and 117,691.68 is: 162,412.26
Step by Step Solution
- Step 1: Write the proportion equation
213,186.96 : 294,193.92 = 117,691.68 : x - Step 2: Convert to fraction form
213,186.96/294,193.92 = 117,691.68/x - Step 3: Cross multiply
213,186.96x = 294,193.92 × 117,691.68 - Step 4: Simplify right side
213,186.96x = 34,624,176,690.59 - Step 5: Solve for x
x = 34,624,176,690.59/213,186.96 - Step 6: Final answer
x = 162,412.26
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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.