Finding the Fourth Proportional to 285,942.24, 394,619.04 and 158,631.84
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Solution
The fourth proportional to 285,942.24, 394,619.04 and 158,631.84 is: 218,922.34
Step by Step Solution
- Step 1: Write the proportion equation
285,942.24 : 394,619.04 = 158,631.84 : x - Step 2: Convert to fraction form
285,942.24/394,619.04 = 158,631.84/x - Step 3: Cross multiply
285,942.24x = 394,619.04 × 158,631.84 - Step 4: Simplify right side
285,942.24x = 62,599,144,414.23 - Step 5: Solve for x
x = 62,599,144,414.23/285,942.24 - Step 6: Final answer
x = 218,922.34
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.