Finding the Fourth Proportional to 263,395.44, 363,485.71 and 142,536.73
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Solution
The fourth proportional to 263,395.44, 363,485.71 and 142,536.73 is: 196,700.69
Step by Step Solution
- Step 1: Write the proportion equation
263,395.44 : 363,485.71 = 142,536.73 : x - Step 2: Convert to fraction form
263,395.44/363,485.71 = 142,536.73/x - Step 3: Cross multiply
263,395.44x = 363,485.71 × 142,536.73 - Step 4: Simplify right side
263,395.44x = 51,810,064,505.13 - Step 5: Solve for x
x = 51,810,064,505.13/263,395.44 - Step 6: Final answer
x = 196,700.69
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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.