Finding the Fourth Proportional to 306,588.92, 459,716.61 and 106,855.70
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Solution
The fourth proportional to 306,588.92, 459,716.61 and 106,855.70 is: 160,225.43
Step by Step Solution
- Step 1: Write the proportion equation
306,588.92 : 459,716.61 = 106,855.70 : x - Step 2: Convert to fraction form
306,588.92/459,716.61 = 106,855.70/x - Step 3: Cross multiply
306,588.92x = 459,716.61 × 106,855.70 - Step 4: Simplify right side
306,588.92x = 49,123,340,163.18 - Step 5: Solve for x
x = 49,123,340,163.18/306,588.92 - Step 6: Final answer
x = 160,225.43
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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.