Finding the Fourth Proportional to 331,336.22, 457,183.24 and 195,412.70
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Solution
The fourth proportional to 331,336.22, 457,183.24 and 195,412.70 is: 269,633.70
Step by Step Solution
- Step 1: Write the proportion equation
331,336.22 : 457,183.24 = 195,412.70 : x - Step 2: Convert to fraction form
331,336.22/457,183.24 = 195,412.70/x - Step 3: Cross multiply
331,336.22x = 457,183.24 × 195,412.70 - Step 4: Simplify right side
331,336.22x = 89,339,408,548.70 - Step 5: Solve for x
x = 89,339,408,548.70/331,336.22 - Step 6: Final answer
x = 269,633.70
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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.