Finding the Fourth Proportional to 331,893.10, 457,894.38 and 195,858.98
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Solution
The fourth proportional to 331,893.10, 457,894.38 and 195,858.98 is: 270,215.70
Step by Step Solution
- Step 1: Write the proportion equation
331,893.10 : 457,894.38 = 195,858.98 : x - Step 2: Convert to fraction form
331,893.10/457,894.38 = 195,858.98/x - Step 3: Cross multiply
331,893.10x = 457,894.38 × 195,858.98 - Step 4: Simplify right side
331,893.10x = 89,682,726,214.53 - Step 5: Solve for x
x = 89,682,726,214.53/331,893.10 - Step 6: Final answer
x = 270,215.70
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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.