Finding the Fourth Proportional to 297,761.75, 410,911.22 and 163,625.75
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Solution
The fourth proportional to 297,761.75, 410,911.22 and 163,625.75 is: 225,803.54
Step by Step Solution
- Step 1: Write the proportion equation
297,761.75 : 410,911.22 = 163,625.75 : x - Step 2: Convert to fraction form
297,761.75/410,911.22 = 163,625.75/x - Step 3: Cross multiply
297,761.75x = 410,911.22 × 163,625.75 - Step 4: Simplify right side
297,761.75x = 67,235,656,555.92 - Step 5: Solve for x
x = 67,235,656,555.92/297,761.75 - Step 6: Final answer
x = 225,803.54
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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.