Finding the Fourth Proportional to 135,879.77, 203,791.98 and 51,610.40
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Solution
The fourth proportional to 135,879.77, 203,791.98 and 51,610.40 is: 77,405.09
Step by Step Solution
- Step 1: Write the proportion equation
135,879.77 : 203,791.98 = 51,610.40 : x - Step 2: Convert to fraction form
135,879.77/203,791.98 = 51,610.40/x - Step 3: Cross multiply
135,879.77x = 203,791.98 × 51,610.40 - Step 4: Simplify right side
135,879.77x = 10,517,785,604.59 - Step 5: Solve for x
x = 10,517,785,604.59/135,879.77 - Step 6: Final answer
x = 77,405.09
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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.