Finding the Fourth Proportional to 207,861.14, 311,558.43 and 102,753.92
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Solution
The fourth proportional to 207,861.14, 311,558.43 and 102,753.92 is: 154,015.56
Step by Step Solution
- Step 1: Write the proportion equation
207,861.14 : 311,558.43 = 102,753.92 : x - Step 2: Convert to fraction form
207,861.14/311,558.43 = 102,753.92/x - Step 3: Cross multiply
207,861.14x = 311,558.43 × 102,753.92 - Step 4: Simplify right side
207,861.14x = 32,013,849,991.55 - Step 5: Solve for x
x = 32,013,849,991.55/207,861.14 - Step 6: Final answer
x = 154,015.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.