Finding the Fourth Proportional to 324,728.16, 487,138.14 and 100,106.88
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Solution
The fourth proportional to 324,728.16, 487,138.14 and 100,106.88 is: 150,174.47
Step by Step Solution
- Step 1: Write the proportion equation
324,728.16 : 487,138.14 = 100,106.88 : x - Step 2: Convert to fraction form
324,728.16/487,138.14 = 100,106.88/x - Step 3: Cross multiply
324,728.16x = 487,138.14 × 100,106.88 - Step 4: Simplify right side
324,728.16x = 48,765,879,324.40 - Step 5: Solve for x
x = 48,765,879,324.40/324,728.16 - Step 6: Final answer
x = 150,174.47
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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.