Finding the Fourth Proportional to 331,571.71, 457,624.35 and 195,639.33
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Solution
The fourth proportional to 331,571.71, 457,624.35 and 195,639.33 is: 270,014.96
Step by Step Solution
- Step 1: Write the proportion equation
331,571.71 : 457,624.35 = 195,639.33 : x - Step 2: Convert to fraction form
331,571.71/457,624.35 = 195,639.33/x - Step 3: Cross multiply
331,571.71x = 457,624.35 × 195,639.33 - Step 4: Simplify right side
331,571.71x = 89,529,322,941.78 - Step 5: Solve for x
x = 89,529,322,941.78/331,571.71 - Step 6: Final answer
x = 270,014.96
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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.