Finding the Fourth Proportional to 490,626.57, 677,083.86 and 275,765.97
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Solution
The fourth proportional to 490,626.57, 677,083.86 and 275,765.97 is: 380,567.83
Step by Step Solution
- Step 1: Write the proportion equation
490,626.57 : 677,083.86 = 275,765.97 : x - Step 2: Convert to fraction form
490,626.57/677,083.86 = 275,765.97/x - Step 3: Cross multiply
490,626.57x = 677,083.86 × 275,765.97 - Step 4: Simplify right side
490,626.57x = 186,716,687,424.24 - Step 5: Solve for x
x = 186,716,687,424.24/490,626.57 - Step 6: Final answer
x = 380,567.83
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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.