Finding the Fourth Proportional to 262,705.93, 394,114.23 and 85,199.09
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Solution
The fourth proportional to 262,705.93, 394,114.23 and 85,199.09 is: 127,816.58
Step by Step Solution
- Step 1: Write the proportion equation
262,705.93 : 394,114.23 = 85,199.09 : x - Step 2: Convert to fraction form
262,705.93/394,114.23 = 85,199.09/x - Step 3: Cross multiply
262,705.93x = 394,114.23 × 85,199.09 - Step 4: Simplify right side
262,705.93x = 33,578,173,752.05 - Step 5: Solve for x
x = 33,578,173,752.05/262,705.93 - Step 6: Final answer
x = 127,816.58
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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.