Finding the Fourth Proportional to 306,229.37, 422,615.67 and 170,293.73
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Solution
The fourth proportional to 306,229.37, 422,615.67 and 170,293.73 is: 235,015.99
Step by Step Solution
- Step 1: Write the proportion equation
306,229.37 : 422,615.67 = 170,293.73 : x - Step 2: Convert to fraction form
306,229.37/422,615.67 = 170,293.73/x - Step 3: Cross multiply
306,229.37x = 422,615.67 × 170,293.73 - Step 4: Simplify right side
306,229.37x = 71,968,798,800.75 - Step 5: Solve for x
x = 71,968,798,800.75/306,229.37 - Step 6: Final answer
x = 235,015.99
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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.