Finding the Fourth Proportional to 322,542.81, 445,120.49 and 177,359.65
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Solution
The fourth proportional to 322,542.81, 445,120.49 and 177,359.65 is: 244,762.59
Step by Step Solution
- Step 1: Write the proportion equation
322,542.81 : 445,120.49 = 177,359.65 : x - Step 2: Convert to fraction form
322,542.81/445,120.49 = 177,359.65/x - Step 3: Cross multiply
322,542.81x = 445,120.49 × 177,359.65 - Step 4: Simplify right side
322,542.81x = 78,946,414,314.23 - Step 5: Solve for x
x = 78,946,414,314.23/322,542.81 - Step 6: Final answer
x = 244,762.59
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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.