Finding the Fourth Proportional to 494,782.20, 682,800.75 and 268,427.70
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Solution
The fourth proportional to 494,782.20, 682,800.75 and 268,427.70 is: 370,430.94
Step by Step Solution
- Step 1: Write the proportion equation
494,782.20 : 682,800.75 = 268,427.70 : x - Step 2: Convert to fraction form
494,782.20/682,800.75 = 268,427.70/x - Step 3: Cross multiply
494,782.20x = 682,800.75 × 268,427.70 - Step 4: Simplify right side
494,782.20x = 183,282,634,880.78 - Step 5: Solve for x
x = 183,282,634,880.78/494,782.20 - Step 6: Final answer
x = 370,430.94
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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.