Finding the Fourth Proportional to 371,216.60, 512,278.89 and 201,450.72
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Solution
The fourth proportional to 371,216.60, 512,278.89 and 201,450.72 is: 278,001.99
Step by Step Solution
- Step 1: Write the proportion equation
371,216.60 : 512,278.89 = 201,450.72 : x - Step 2: Convert to fraction form
371,216.60/512,278.89 = 201,450.72/x - Step 3: Cross multiply
371,216.60x = 512,278.89 × 201,450.72 - Step 4: Simplify right side
371,216.60x = 103,198,951,231.30 - Step 5: Solve for x
x = 103,198,951,231.30/371,216.60 - Step 6: Final answer
x = 278,001.99
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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.