Finding the Fourth Proportional to 331,356.57, 457,250.28 and 195,383.94
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Solution
The fourth proportional to 331,356.57, 457,250.28 and 195,383.94 is: 269,616.99
Step by Step Solution
- Step 1: Write the proportion equation
331,356.57 : 457,250.28 = 195,383.94 : x - Step 2: Convert to fraction form
331,356.57/457,250.28 = 195,383.94/x - Step 3: Cross multiply
331,356.57x = 457,250.28 × 195,383.94 - Step 4: Simplify right side
331,356.57x = 89,339,361,272.50 - Step 5: Solve for x
x = 89,339,361,272.50/331,356.57 - Step 6: Final answer
x = 269,616.99
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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.