Finding the Fourth Proportional to 394,804.26, 544,828.32 and 213,516.42
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Solution
The fourth proportional to 394,804.26, 544,828.32 and 213,516.42 is: 294,651.82
Step by Step Solution
- Step 1: Write the proportion equation
394,804.26 : 544,828.32 = 213,516.42 : x - Step 2: Convert to fraction form
394,804.26/544,828.32 = 213,516.42/x - Step 3: Cross multiply
394,804.26x = 544,828.32 × 213,516.42 - Step 4: Simplify right side
394,804.26x = 116,329,792,401.01 - Step 5: Solve for x
x = 116,329,792,401.01/394,804.26 - Step 6: Final answer
x = 294,651.82
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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.