Finding the Fourth Proportional to 452,175.37, 678,381.62 and 136,640.65
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Solution
The fourth proportional to 452,175.37, 678,381.62 and 136,640.65 is: 204,996.80
Step by Step Solution
- Step 1: Write the proportion equation
452,175.37 : 678,381.62 = 136,640.65 : x - Step 2: Convert to fraction form
452,175.37/678,381.62 = 136,640.65/x - Step 3: Cross multiply
452,175.37x = 678,381.62 × 136,640.65 - Step 4: Simplify right side
452,175.37x = 92,694,504,821.65 - Step 5: Solve for x
x = 92,694,504,821.65/452,175.37 - Step 6: Final answer
x = 204,996.80
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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.