Finding the Fourth Proportional to 494,742.26, 682,745.63 and 268,387.76
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Solution
The fourth proportional to 494,742.26, 682,745.63 and 268,387.76 is: 370,375.82
Step by Step Solution
- Step 1: Write the proportion equation
494,742.26 : 682,745.63 = 268,387.76 : x - Step 2: Convert to fraction form
494,742.26/682,745.63 = 268,387.76/x - Step 3: Cross multiply
494,742.26x = 682,745.63 × 268,387.76 - Step 4: Simplify right side
494,742.26x = 183,240,570,285.49 - Step 5: Solve for x
x = 183,240,570,285.49/494,742.26 - Step 6: Final answer
x = 370,375.82
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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.