Finding the Fourth Proportional to 414,078.44, 620,674.77 and 189,101.75
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Solution
The fourth proportional to 414,078.44, 620,674.77 and 189,101.75 is: 283,450.36
Step by Step Solution
- Step 1: Write the proportion equation
414,078.44 : 620,674.77 = 189,101.75 : x - Step 2: Convert to fraction form
414,078.44/620,674.77 = 189,101.75/x - Step 3: Cross multiply
414,078.44x = 620,674.77 × 189,101.75 - Step 4: Simplify right side
414,078.44x = 117,370,682,084.47 - Step 5: Solve for x
x = 117,370,682,084.47/414,078.44 - Step 6: Final answer
x = 283,450.36
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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.