Finding the Fourth Proportional to 494,036.80, 681,739.12 and 276,263.41
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Solution
The fourth proportional to 494,036.80, 681,739.12 and 276,263.41 is: 381,225.80
Step by Step Solution
- Step 1: Write the proportion equation
494,036.80 : 681,739.12 = 276,263.41 : x - Step 2: Convert to fraction form
494,036.80/681,739.12 = 276,263.41/x - Step 3: Cross multiply
494,036.80x = 681,739.12 × 276,263.41 - Step 4: Simplify right side
494,036.80x = 188,339,574,021.60 - Step 5: Solve for x
x = 188,339,574,021.60/494,036.80 - Step 6: Final answer
x = 381,225.80
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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.