Finding the Fourth Proportional to 322,542.75, 445,120.41 and 177,359.58
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Solution
The fourth proportional to 322,542.75, 445,120.41 and 177,359.58 is: 244,762.50
Step by Step Solution
- Step 1: Write the proportion equation
322,542.75 : 445,120.41 = 177,359.58 : x - Step 2: Convert to fraction form
322,542.75/445,120.41 = 177,359.58/x - Step 3: Cross multiply
322,542.75x = 445,120.41 × 177,359.58 - Step 4: Simplify right side
322,542.75x = 78,946,369,632.13 - Step 5: Solve for x
x = 78,946,369,632.13/322,542.75 - Step 6: Final answer
x = 244,762.50
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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.