Finding the Fourth Proportional to 135,297.21, 202,751.64 and 76,008.09
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Solution
The fourth proportional to 135,297.21, 202,751.64 and 76,008.09 is: 113,903.05
Step by Step Solution
- Step 1: Write the proportion equation
135,297.21 : 202,751.64 = 76,008.09 : x - Step 2: Convert to fraction form
135,297.21/202,751.64 = 76,008.09/x - Step 3: Cross multiply
135,297.21x = 202,751.64 × 76,008.09 - Step 4: Simplify right side
135,297.21x = 15,410,764,900.77 - Step 5: Solve for x
x = 15,410,764,900.77/135,297.21 - Step 6: Final answer
x = 113,903.05
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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.