Finding the Fourth Proportional to 306,003.97, 422,279.87 and 170,035.44
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Solution
The fourth proportional to 306,003.97, 422,279.87 and 170,035.44 is: 234,645.79
Step by Step Solution
- Step 1: Write the proportion equation
306,003.97 : 422,279.87 = 170,035.44 : x - Step 2: Convert to fraction form
306,003.97/422,279.87 = 170,035.44/x - Step 3: Cross multiply
306,003.97x = 422,279.87 × 170,035.44 - Step 4: Simplify right side
306,003.97x = 71,802,543,498.59 - Step 5: Solve for x
x = 71,802,543,498.59/306,003.97 - Step 6: Final answer
x = 234,645.79
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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.