Finding the Fourth Proportional to 202,138.60, 303,207.90 and 192,297.10
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Solution
The fourth proportional to 202,138.60, 303,207.90 and 192,297.10 is: 288,445.65
Step by Step Solution
- Step 1: Write the proportion equation
202,138.60 : 303,207.90 = 192,297.10 : x - Step 2: Convert to fraction form
202,138.60/303,207.90 = 192,297.10/x - Step 3: Cross multiply
202,138.60x = 303,207.90 × 192,297.10 - Step 4: Simplify right side
202,138.60x = 58,305,999,867.09 - Step 5: Solve for x
x = 58,305,999,867.09/202,138.60 - Step 6: Final answer
x = 288,445.65
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1.5x scale
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.