Finding the Fourth Proportional to 306,224.44, 422,603.79 and 170,272.36
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Solution
The fourth proportional to 306,224.44, 422,603.79 and 170,272.36 is: 234,983.68
Step by Step Solution
- Step 1: Write the proportion equation
306,224.44 : 422,603.79 = 170,272.36 : x - Step 2: Convert to fraction form
306,224.44/422,603.79 = 170,272.36/x - Step 3: Cross multiply
306,224.44x = 422,603.79 × 170,272.36 - Step 4: Simplify right side
306,224.44x = 71,957,744,668.24 - Step 5: Solve for x
x = 71,957,744,668.24/306,224.44 - Step 6: Final answer
x = 234,983.68
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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.