Finding the Fourth Proportional to 306,241.14, 422,604.90 and 170,268.06
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Solution
The fourth proportional to 306,241.14, 422,604.90 and 170,268.06 is: 234,965.55
Step by Step Solution
- Step 1: Write the proportion equation
306,241.14 : 422,604.90 = 170,268.06 : x - Step 2: Convert to fraction form
306,241.14/422,604.90 = 170,268.06/x - Step 3: Cross multiply
306,241.14x = 422,604.90 × 170,268.06 - Step 4: Simplify right side
306,241.14x = 71,956,116,469.49 - Step 5: Solve for x
x = 71,956,116,469.49/306,241.14 - Step 6: Final answer
x = 234,965.55
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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.