Finding the Fourth Proportional to 213,922.62, 295,201.50 and 117,107.74
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Solution
The fourth proportional to 213,922.62, 295,201.50 and 117,107.74 is: 161,602.27
Step by Step Solution
- Step 1: Write the proportion equation
213,922.62 : 295,201.50 = 117,107.74 : x - Step 2: Convert to fraction form
213,922.62/295,201.50 = 117,107.74/x - Step 3: Cross multiply
213,922.62x = 295,201.50 × 117,107.74 - Step 4: Simplify right side
213,922.62x = 34,570,380,439.46 - Step 5: Solve for x
x = 34,570,380,439.46/213,922.62 - Step 6: Final answer
x = 161,602.27
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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.