Finding the Fourth Proportional to 394,804.29, 592,469.18 and 214,935.09
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Solution
The fourth proportional to 394,804.29, 592,469.18 and 214,935.09 is: 322,545.67
Step by Step Solution
- Step 1: Write the proportion equation
394,804.29 : 592,469.18 = 214,935.09 : x - Step 2: Convert to fraction form
394,804.29/592,469.18 = 214,935.09/x - Step 3: Cross multiply
394,804.29x = 592,469.18 × 214,935.09 - Step 4: Simplify right side
394,804.29x = 127,342,415,244.11 - Step 5: Solve for x
x = 127,342,415,244.11/394,804.29 - Step 6: Final answer
x = 322,545.67
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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.