Finding the Fourth Proportional to 311,919.23, 468,709.91 and 169,869.94
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Solution
The fourth proportional to 311,919.23, 468,709.91 and 169,869.94 is: 255,257.50
Step by Step Solution
- Step 1: Write the proportion equation
311,919.23 : 468,709.91 = 169,869.94 : x - Step 2: Convert to fraction form
311,919.23/468,709.91 = 169,869.94/x - Step 3: Cross multiply
311,919.23x = 468,709.91 × 169,869.94 - Step 4: Simplify right side
311,919.23x = 79,619,724,289.11 - Step 5: Solve for x
x = 79,619,724,289.11/311,919.23 - Step 6: Final answer
x = 255,257.50
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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.