Finding the Fourth Proportional to 306,193.23, 422,546.09 and 170,239.73
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Solution
The fourth proportional to 306,193.23, 422,546.09 and 170,239.73 is: 234,930.50
Step by Step Solution
- Step 1: Write the proportion equation
306,193.23 : 422,546.09 = 170,239.73 : x - Step 2: Convert to fraction form
306,193.23/422,546.09 = 170,239.73/x - Step 3: Cross multiply
306,193.23x = 422,546.09 × 170,239.73 - Step 4: Simplify right side
306,193.23x = 71,934,129,310.23 - Step 5: Solve for x
x = 71,934,129,310.23/306,193.23 - Step 6: Final answer
x = 234,930.50
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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.