Finding the Fourth Proportional to 137,231.44, 206,082.74 and 84,234.63
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Solution
The fourth proportional to 137,231.44, 206,082.74 and 84,234.63 is: 126,496.55
Step by Step Solution
- Step 1: Write the proportion equation
137,231.44 : 206,082.74 = 84,234.63 : x - Step 2: Convert to fraction form
137,231.44/206,082.74 = 84,234.63/x - Step 3: Cross multiply
137,231.44x = 206,082.74 × 84,234.63 - Step 4: Simplify right side
137,231.44x = 17,359,303,353.29 - Step 5: Solve for x
x = 17,359,303,353.29/137,231.44 - Step 6: Final answer
x = 126,496.55
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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.