Finding the Fourth Proportional to 494,738.09, 682,739.88 and 268,383.59
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Solution
The fourth proportional to 494,738.09, 682,739.88 and 268,383.59 is: 370,370.06
Step by Step Solution
- Step 1: Write the proportion equation
494,738.09 : 682,739.88 = 268,383.59 : x - Step 2: Convert to fraction form
494,738.09/682,739.88 = 268,383.59/x - Step 3: Cross multiply
494,738.09x = 682,739.88 × 268,383.59 - Step 4: Simplify right side
494,738.09x = 183,236,176,616.87 - Step 5: Solve for x
x = 183,236,176,616.87/494,738.09 - Step 6: Final answer
x = 370,370.06
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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.