Finding the Fourth Proportional to 494,372.16, 682,238.84 and 290,431.58
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Solution
The fourth proportional to 494,372.16, 682,238.84 and 290,431.58 is: 400,798.66
Step by Step Solution
- Step 1: Write the proportion equation
494,372.16 : 682,238.84 = 290,431.58 : x - Step 2: Convert to fraction form
494,372.16/682,238.84 = 290,431.58/x - Step 3: Cross multiply
494,372.16x = 682,238.84 × 290,431.58 - Step 4: Simplify right side
494,372.16x = 198,143,699,375.22 - Step 5: Solve for x
x = 198,143,699,375.22/494,372.16 - Step 6: Final answer
x = 400,798.66
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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.