Finding the Fourth Proportional to 135,211.30, 202,428.15 and 82,723.30
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Solution
The fourth proportional to 135,211.30, 202,428.15 and 82,723.30 is: 123,847.08
Step by Step Solution
- Step 1: Write the proportion equation
135,211.30 : 202,428.15 = 82,723.30 : x - Step 2: Convert to fraction form
135,211.30/202,428.15 = 82,723.30/x - Step 3: Cross multiply
135,211.30x = 202,428.15 × 82,723.30 - Step 4: Simplify right side
135,211.30x = 16,745,524,580.90 - Step 5: Solve for x
x = 16,745,524,580.90/135,211.30 - Step 6: Final answer
x = 123,847.08
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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.