Finding the Fourth Proportional to 496,612.06, 685,340.20 and 281,761.18
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Solution
The fourth proportional to 496,612.06, 685,340.20 and 281,761.18 is: 388,839.26
Step by Step Solution
- Step 1: Write the proportion equation
496,612.06 : 685,340.20 = 281,761.18 : x - Step 2: Convert to fraction form
496,612.06/685,340.20 = 281,761.18/x - Step 3: Cross multiply
496,612.06x = 685,340.20 × 281,761.18 - Step 4: Simplify right side
496,612.06x = 193,102,263,453.44 - Step 5: Solve for x
x = 193,102,263,453.44/496,612.06 - Step 6: Final answer
x = 388,839.26
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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.