Finding the Fourth Proportional to 494,310.74, 682,143.66 and 276,516.60
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Solution
The fourth proportional to 494,310.74, 682,143.66 and 276,516.60 is: 381,590.02
Step by Step Solution
- Step 1: Write the proportion equation
494,310.74 : 682,143.66 = 276,516.60 : x - Step 2: Convert to fraction form
494,310.74/682,143.66 = 276,516.60/x - Step 3: Cross multiply
494,310.74x = 682,143.66 × 276,516.60 - Step 4: Simplify right side
494,310.74x = 188,624,045,574.76 - Step 5: Solve for x
x = 188,624,045,574.76/494,310.74 - Step 6: Final answer
x = 381,590.02
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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.