Finding the Fourth Proportional to 383,880.70, 574,283.13 and 331,850.62
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Solution
The fourth proportional to 383,880.70, 574,283.13 and 331,850.62 is: 496,446.46
Step by Step Solution
- Step 1: Write the proportion equation
383,880.70 : 574,283.13 = 331,850.62 : x - Step 2: Convert to fraction form
383,880.70/574,283.13 = 331,850.62/x - Step 3: Cross multiply
383,880.70x = 574,283.13 × 331,850.62 - Step 4: Simplify right side
383,880.70x = 190,576,212,746.04 - Step 5: Solve for x
x = 190,576,212,746.04/383,880.70 - Step 6: Final answer
x = 496,446.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.