Finding the Fourth Proportional to 203,857.14, 281,332.26 and 113,213.50
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Solution
The fourth proportional to 203,857.14, 281,332.26 and 113,213.50 is: 156,239.85
Step by Step Solution
- Step 1: Write the proportion equation
203,857.14 : 281,332.26 = 113,213.50 : x - Step 2: Convert to fraction form
203,857.14/281,332.26 = 113,213.50/x - Step 3: Cross multiply
203,857.14x = 281,332.26 × 113,213.50 - Step 4: Simplify right side
203,857.14x = 31,850,609,817.51 - Step 5: Solve for x
x = 31,850,609,817.51/203,857.14 - Step 6: Final answer
x = 156,239.85
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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.