Finding the Fourth Proportional to 262,846.08, 394,117.92 and 129,435.84
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Solution
The fourth proportional to 262,846.08, 394,117.92 and 129,435.84 is: 194,079.30
Step by Step Solution
- Step 1: Write the proportion equation
262,846.08 : 394,117.92 = 129,435.84 : x - Step 2: Convert to fraction form
262,846.08/394,117.92 = 129,435.84/x - Step 3: Cross multiply
262,846.08x = 394,117.92 × 129,435.84 - Step 4: Simplify right side
262,846.08x = 51,012,984,034.25 - Step 5: Solve for x
x = 51,012,984,034.25/262,846.08 - Step 6: Final answer
x = 194,079.30
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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.