Finding the Fourth Proportional to 203,093.24, 280,249.21 and 112,445.88
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Solution
The fourth proportional to 203,093.24, 280,249.21 and 112,445.88 is: 155,164.54
Step by Step Solution
- Step 1: Write the proportion equation
203,093.24 : 280,249.21 = 112,445.88 : x - Step 2: Convert to fraction form
203,093.24/280,249.21 = 112,445.88/x - Step 3: Cross multiply
203,093.24x = 280,249.21 × 112,445.88 - Step 4: Simplify right side
203,093.24x = 31,512,868,475.53 - Step 5: Solve for x
x = 31,512,868,475.53/203,093.24 - Step 6: Final answer
x = 155,164.54
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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.