Finding the Fourth Proportional to 281,170.44, 421,757.28 and 114,958.44
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Solution
The fourth proportional to 281,170.44, 421,757.28 and 114,958.44 is: 172,438.32
Step by Step Solution
- Step 1: Write the proportion equation
281,170.44 : 421,757.28 = 114,958.44 : x - Step 2: Convert to fraction form
281,170.44/421,757.28 = 114,958.44/x - Step 3: Cross multiply
281,170.44x = 421,757.28 × 114,958.44 - Step 4: Simplify right side
281,170.44x = 48,484,558,967.44 - Step 5: Solve for x
x = 48,484,558,967.44/281,170.44 - Step 6: Final answer
x = 172,438.32
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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.