Finding the Fourth Proportional to 329,728.20, 494,333.91 and 130,197.94
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Solution
The fourth proportional to 329,728.20, 494,333.91 and 130,197.94 is: 195,194.88
Step by Step Solution
- Step 1: Write the proportion equation
329,728.20 : 494,333.91 = 130,197.94 : x - Step 2: Convert to fraction form
329,728.20/494,333.91 = 130,197.94/x - Step 3: Cross multiply
329,728.20x = 494,333.91 × 130,197.94 - Step 4: Simplify right side
329,728.20x = 64,361,255,518.31 - Step 5: Solve for x
x = 64,361,255,518.31/329,728.20 - Step 6: Final answer
x = 195,194.88
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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.