Finding the Fourth Proportional to 306,001.97, 422,277.11 and 170,033.44
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Solution
The fourth proportional to 306,001.97, 422,277.11 and 170,033.44 is: 234,643.03
Step by Step Solution
- Step 1: Write the proportion equation
306,001.97 : 422,277.11 = 170,033.44 : x - Step 2: Convert to fraction form
306,001.97/422,277.11 = 170,033.44/x - Step 3: Cross multiply
306,001.97x = 422,277.11 × 170,033.44 - Step 4: Simplify right side
306,001.97x = 71,801,229,646.56 - Step 5: Solve for x
x = 71,801,229,646.56/306,001.97 - Step 6: Final answer
x = 234,643.03
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1.5x scale
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.