Finding the Fourth Proportional to 135,642.56, 203,201.44 and 76,297.92
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Solution
The fourth proportional to 135,642.56, 203,201.44 and 76,297.92 is: 114,299.28
Step by Step Solution
- Step 1: Write the proportion equation
135,642.56 : 203,201.44 = 76,297.92 : x - Step 2: Convert to fraction form
135,642.56/203,201.44 = 76,297.92/x - Step 3: Cross multiply
135,642.56x = 203,201.44 × 76,297.92 - Step 4: Simplify right side
135,642.56x = 15,503,847,213.00 - Step 5: Solve for x
x = 15,503,847,213.00/135,642.56 - Step 6: Final answer
x = 114,299.28
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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.