Finding the Fourth Proportional to 494,709.12, 682,697.16 and 268,354.08
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Solution
The fourth proportional to 494,709.12, 682,697.16 and 268,354.08 is: 370,327.86
Step by Step Solution
- Step 1: Write the proportion equation
494,709.12 : 682,697.16 = 268,354.08 : x - Step 2: Convert to fraction form
494,709.12/682,697.16 = 268,354.08/x - Step 3: Cross multiply
494,709.12x = 682,697.16 × 268,354.08 - Step 4: Simplify right side
494,709.12x = 183,204,568,290.41 - Step 5: Solve for x
x = 183,204,568,290.41/494,709.12 - Step 6: Final answer
x = 370,327.86
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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.