Finding the Fourth Proportional to 213,924.42, 295,213.68 and 123,247.08
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Solution
The fourth proportional to 213,924.42, 295,213.68 and 123,247.08 is: 170,079.81
Step by Step Solution
- Step 1: Write the proportion equation
213,924.42 : 295,213.68 = 123,247.08 : x - Step 2: Convert to fraction form
213,924.42/295,213.68 = 123,247.08/x - Step 3: Cross multiply
213,924.42x = 295,213.68 × 123,247.08 - Step 4: Simplify right side
213,924.42x = 36,384,224,036.05 - Step 5: Solve for x
x = 36,384,224,036.05/213,924.42 - Step 6: Final answer
x = 170,079.81
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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.