Finding the Fourth Proportional to 306,222.06, 422,605.44 and 170,257.08
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Solution
The fourth proportional to 306,222.06, 422,605.44 and 170,257.08 is: 234,965.33
Step by Step Solution
- Step 1: Write the proportion equation
306,222.06 : 422,605.44 = 170,257.08 : x - Step 2: Convert to fraction form
306,222.06/422,605.44 = 170,257.08/x - Step 3: Cross multiply
306,222.06x = 422,605.44 × 170,257.08 - Step 4: Simplify right side
306,222.06x = 71,951,568,206.52 - Step 5: Solve for x
x = 71,951,568,206.52/306,222.06 - Step 6: Final answer
x = 234,965.33
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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.