Finding the Fourth Proportional to 203,534.19, 305,239.10 and 140,757.75
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Solution
The fourth proportional to 203,534.19, 305,239.10 and 140,757.75 is: 211,093.62
Step by Step Solution
- Step 1: Write the proportion equation
203,534.19 : 305,239.10 = 140,757.75 : x - Step 2: Convert to fraction form
203,534.19/305,239.10 = 140,757.75/x - Step 3: Cross multiply
203,534.19x = 305,239.10 × 140,757.75 - Step 4: Simplify right side
203,534.19x = 42,964,768,224.24 - Step 5: Solve for x
x = 42,964,768,224.24/203,534.19 - Step 6: Final answer
x = 211,093.62
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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.