Finding the Fourth Proportional to 263,291.19, 394,687.67 and 162,151.44
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Solution
The fourth proportional to 263,291.19, 394,687.67 and 162,151.44 is: 243,073.74
Step by Step Solution
- Step 1: Write the proportion equation
263,291.19 : 394,687.67 = 162,151.44 : x - Step 2: Convert to fraction form
263,291.19/394,687.67 = 162,151.44/x - Step 3: Cross multiply
263,291.19x = 394,687.67 × 162,151.44 - Step 4: Simplify right side
263,291.19x = 63,999,173,229.99 - Step 5: Solve for x
x = 63,999,173,229.99/263,291.19 - Step 6: Final answer
x = 243,073.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.