Finding the Fourth Proportional to 187,372.44, 281,059.14 and 76,564.44
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Solution
The fourth proportional to 187,372.44, 281,059.14 and 76,564.44 is: 114,846.86
Step by Step Solution
- Step 1: Write the proportion equation
187,372.44 : 281,059.14 = 76,564.44 : x - Step 2: Convert to fraction form
187,372.44/281,059.14 = 76,564.44/x - Step 3: Cross multiply
187,372.44x = 281,059.14 × 76,564.44 - Step 4: Simplify right side
187,372.44x = 21,519,135,660.98 - Step 5: Solve for x
x = 21,519,135,660.98/187,372.44 - Step 6: Final answer
x = 114,846.86
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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.