Finding the Fourth Proportional to 281,103.98, 421,794.48 and 131,354.62
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Solution
The fourth proportional to 281,103.98, 421,794.48 and 131,354.62 is: 197,096.65
Step by Step Solution
- Step 1: Write the proportion equation
281,103.98 : 421,794.48 = 131,354.62 : x - Step 2: Convert to fraction form
281,103.98/421,794.48 = 131,354.62/x - Step 3: Cross multiply
281,103.98x = 421,794.48 × 131,354.62 - Step 4: Simplify right side
281,103.98x = 55,404,653,638.50 - Step 5: Solve for x
x = 55,404,653,638.50/281,103.98 - Step 6: Final answer
x = 197,096.65
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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.