Finding the Fourth Proportional to 135,295.21, 202,748.64 and 76,006.09
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Solution
The fourth proportional to 135,295.21, 202,748.64 and 76,006.09 is: 113,900.05
Step by Step Solution
- Step 1: Write the proportion equation
135,295.21 : 202,748.64 = 76,006.09 : x - Step 2: Convert to fraction form
135,295.21/202,748.64 = 76,006.09/x - Step 3: Cross multiply
135,295.21x = 202,748.64 × 76,006.09 - Step 4: Simplify right side
135,295.21x = 15,410,131,379.22 - Step 5: Solve for x
x = 15,410,131,379.22/135,295.21 - Step 6: Final answer
x = 113,900.05
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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.