Finding the Fourth Proportional to 294,217.11, 406,027.49 and 166,911.84
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Solution
The fourth proportional to 294,217.11, 406,027.49 and 166,911.84 is: 230,342.81
Step by Step Solution
- Step 1: Write the proportion equation
294,217.11 : 406,027.49 = 166,911.84 : x - Step 2: Convert to fraction form
294,217.11/406,027.49 = 166,911.84/x - Step 3: Cross multiply
294,217.11x = 406,027.49 × 166,911.84 - Step 4: Simplify right side
294,217.11x = 67,770,794,611.92 - Step 5: Solve for x
x = 67,770,794,611.92/294,217.11 - Step 6: Final answer
x = 230,342.81
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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.