Finding the Fourth Proportional to 306,496.36, 422,956.74 and 170,530.48
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Solution
The fourth proportional to 306,496.36, 422,956.74 and 170,530.48 is: 235,327.48
Step by Step Solution
- Step 1: Write the proportion equation
306,496.36 : 422,956.74 = 170,530.48 : x - Step 2: Convert to fraction form
306,496.36/422,956.74 = 170,530.48/x - Step 3: Cross multiply
306,496.36x = 422,956.74 × 170,530.48 - Step 4: Simplify right side
306,496.36x = 72,127,015,891.44 - Step 5: Solve for x
x = 72,127,015,891.44/306,496.36 - Step 6: Final answer
x = 235,327.48
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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.