Finding the Fourth Proportional to 471,025.71, 649,738.76 and 296,318.09
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Solution
The fourth proportional to 471,025.71, 649,738.76 and 296,318.09 is: 408,744.88
Step by Step Solution
- Step 1: Write the proportion equation
471,025.71 : 649,738.76 = 296,318.09 : x - Step 2: Convert to fraction form
471,025.71/649,738.76 = 296,318.09/x - Step 3: Cross multiply
471,025.71x = 649,738.76 × 296,318.09 - Step 4: Simplify right side
471,025.71x = 192,529,348,504.93 - Step 5: Solve for x
x = 192,529,348,504.93/471,025.71 - Step 6: Final answer
x = 408,744.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.