Finding the Fourth Proportional to 286,185.06, 394,915.62 and 158,850.63
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Solution
The fourth proportional to 286,185.06, 394,915.62 and 158,850.63 is: 219,202.90
Step by Step Solution
- Step 1: Write the proportion equation
286,185.06 : 394,915.62 = 158,850.63 : x - Step 2: Convert to fraction form
286,185.06/394,915.62 = 158,850.63/x - Step 3: Cross multiply
286,185.06x = 394,915.62 × 158,850.63 - Step 4: Simplify right side
286,185.06x = 62,732,595,033.84 - Step 5: Solve for x
x = 62,732,595,033.84/286,185.06 - Step 6: Final answer
x = 219,202.90
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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.