Finding the Fourth Proportional to 204,520.40, 306,372.12 and 162,471.44
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Solution
The fourth proportional to 204,520.40, 306,372.12 and 162,471.44 is: 243,382.66
Step by Step Solution
- Step 1: Write the proportion equation
204,520.40 : 306,372.12 = 162,471.44 : x - Step 2: Convert to fraction form
204,520.40/306,372.12 = 162,471.44/x - Step 3: Cross multiply
204,520.40x = 306,372.12 × 162,471.44 - Step 4: Simplify right side
204,520.40x = 49,776,719,512.25 - Step 5: Solve for x
x = 49,776,719,512.25/204,520.40 - Step 6: Final answer
x = 243,382.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.