Finding the Fourth Proportional to 255,940.62, 383,910.93 and 131,202.06
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Solution
The fourth proportional to 255,940.62, 383,910.93 and 131,202.06 is: 196,803.09
Step by Step Solution
- Step 1: Write the proportion equation
255,940.62 : 383,910.93 = 131,202.06 : x - Step 2: Convert to fraction form
255,940.62/383,910.93 = 131,202.06/x - Step 3: Cross multiply
255,940.62x = 383,910.93 × 131,202.06 - Step 4: Simplify right side
255,940.62x = 50,369,904,872.52 - Step 5: Solve for x
x = 50,369,904,872.52/255,940.62 - Step 6: Final answer
x = 196,803.09
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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.