Finding the Fourth Proportional to 203,958.68, 281,446.48 and 117,923.18
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Solution
The fourth proportional to 203,958.68, 281,446.48 and 117,923.18 is: 162,724.45
Step by Step Solution
- Step 1: Write the proportion equation
203,958.68 : 281,446.48 = 117,923.18 : x - Step 2: Convert to fraction form
203,958.68/281,446.48 = 117,923.18/x - Step 3: Cross multiply
203,958.68x = 281,446.48 × 117,923.18 - Step 4: Simplify right side
203,958.68x = 33,189,064,625.02 - Step 5: Solve for x
x = 33,189,064,625.02/203,958.68 - Step 6: Final answer
x = 162,724.45
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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.