Finding the Fourth Proportional to 306,212.44, 422,587.24 and 170,260.34
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Solution
The fourth proportional to 306,212.44, 422,587.24 and 170,260.34 is: 234,967.09
Step by Step Solution
- Step 1: Write the proportion equation
306,212.44 : 422,587.24 = 170,260.34 : x - Step 2: Convert to fraction form
306,212.44/422,587.24 = 170,260.34/x - Step 3: Cross multiply
306,212.44x = 422,587.24 × 170,260.34 - Step 4: Simplify right side
306,212.44x = 71,949,847,162.06 - Step 5: Solve for x
x = 71,949,847,162.06/306,212.44 - Step 6: Final answer
x = 234,967.09
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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.