Finding the Fourth Proportional to 287,361.24, 396,497.84 and 166,495.16
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Solution
The fourth proportional to 287,361.24, 396,497.84 and 166,495.16 is: 229,728.17
Step by Step Solution
- Step 1: Write the proportion equation
287,361.24 : 396,497.84 = 166,495.16 : x - Step 2: Convert to fraction form
287,361.24/396,497.84 = 166,495.16/x - Step 3: Cross multiply
287,361.24x = 396,497.84 × 166,495.16 - Step 4: Simplify right side
287,361.24x = 66,014,971,469.22 - Step 5: Solve for x
x = 66,014,971,469.22/287,361.24 - Step 6: Final answer
x = 229,728.17
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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.