Finding the Fourth Proportional to 306,766.05, 459,993.35 and 230,163.81
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Solution
The fourth proportional to 306,766.05, 459,993.35 and 230,163.81 is: 345,128.87
Step by Step Solution
- Step 1: Write the proportion equation
306,766.05 : 459,993.35 = 230,163.81 : x - Step 2: Convert to fraction form
306,766.05/459,993.35 = 230,163.81/x - Step 3: Cross multiply
306,766.05x = 459,993.35 × 230,163.81 - Step 4: Simplify right side
306,766.05x = 105,873,820,859.84 - Step 5: Solve for x
x = 105,873,820,859.84/306,766.05 - Step 6: Final answer
x = 345,128.87
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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.