Finding the Fourth Proportional to 438,067.24, 657,138.12 and 122,524.36
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Solution
The fourth proportional to 438,067.24, 657,138.12 and 122,524.36 is: 183,796.96
Step by Step Solution
- Step 1: Write the proportion equation
438,067.24 : 657,138.12 = 122,524.36 : x - Step 2: Convert to fraction form
438,067.24/657,138.12 = 122,524.36/x - Step 3: Cross multiply
438,067.24x = 657,138.12 × 122,524.36 - Step 4: Simplify right side
438,067.24x = 80,515,427,584.60 - Step 5: Solve for x
x = 80,515,427,584.60/438,067.24 - Step 6: Final answer
x = 183,796.96
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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.