Finding the Fourth Proportional to 306,195.23, 422,548.84 and 170,241.73
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Solution
The fourth proportional to 306,195.23, 422,548.84 and 170,241.73 is: 234,933.27
Step by Step Solution
- Step 1: Write the proportion equation
306,195.23 : 422,548.84 = 170,241.73 : x - Step 2: Convert to fraction form
306,195.23/422,548.84 = 170,241.73/x - Step 3: Cross multiply
306,195.23x = 422,548.84 × 170,241.73 - Step 4: Simplify right side
306,195.23x = 71,935,445,531.09 - Step 5: Solve for x
x = 71,935,445,531.09/306,195.23 - Step 6: Final answer
x = 234,933.27
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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.