Finding the Fourth Proportional to 103,728.58, 155,620.56 and 37,175.44
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Solution
The fourth proportional to 103,728.58, 155,620.56 and 37,175.44 is: 55,773.08
Step by Step Solution
- Step 1: Write the proportion equation
103,728.58 : 155,620.56 = 37,175.44 : x - Step 2: Convert to fraction form
103,728.58/155,620.56 = 37,175.44/x - Step 3: Cross multiply
103,728.58x = 155,620.56 × 37,175.44 - Step 4: Simplify right side
103,728.58x = 5,785,262,791.05 - Step 5: Solve for x
x = 5,785,262,791.05/103,728.58 - Step 6: Final answer
x = 55,773.08
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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.