Finding the Fourth Proportional to 479,620.26, 661,880.61 and 264,755.70
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Solution
The fourth proportional to 479,620.26, 661,880.61 and 264,755.70 is: 365,365.43
Step by Step Solution
- Step 1: Write the proportion equation
479,620.26 : 661,880.61 = 264,755.70 : x - Step 2: Convert to fraction form
479,620.26/661,880.61 = 264,755.70/x - Step 3: Cross multiply
479,620.26x = 661,880.61 × 264,755.70 - Step 4: Simplify right side
479,620.26x = 175,236,664,216.98 - Step 5: Solve for x
x = 175,236,664,216.98/479,620.26 - Step 6: Final answer
x = 365,365.43
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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.