Finding the Fourth Proportional to 281,556.18, 422,473.05 and 131,806.62
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Solution
The fourth proportional to 281,556.18, 422,473.05 and 131,806.62 is: 197,774.90
Step by Step Solution
- Step 1: Write the proportion equation
281,556.18 : 422,473.05 = 131,806.62 : x - Step 2: Convert to fraction form
281,556.18/422,473.05 = 131,806.62/x - Step 3: Cross multiply
281,556.18x = 422,473.05 × 131,806.62 - Step 4: Simplify right side
281,556.18x = 55,684,744,761.59 - Step 5: Solve for x
x = 55,684,744,761.59/281,556.18 - Step 6: Final answer
x = 197,774.90
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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.