Finding the Fourth Proportional to 330,804.48, 496,370.68 and 131,120.44
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Solution
The fourth proportional to 330,804.48, 496,370.68 and 131,120.44 is: 196,745.65
Step by Step Solution
- Step 1: Write the proportion equation
330,804.48 : 496,370.68 = 131,120.44 : x - Step 2: Convert to fraction form
330,804.48/496,370.68 = 131,120.44/x - Step 3: Cross multiply
330,804.48x = 496,370.68 × 131,120.44 - Step 4: Simplify right side
330,804.48x = 65,084,341,964.70 - Step 5: Solve for x
x = 65,084,341,964.70/330,804.48 - Step 6: Final answer
x = 196,745.65
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1.5x scale
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.