Finding the Fourth Proportional to 135,845.36, 203,778.96 and 51,645.80
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Solution
The fourth proportional to 135,845.36, 203,778.96 and 51,645.80 is: 77,472.85
Step by Step Solution
- Step 1: Write the proportion equation
135,845.36 : 203,778.96 = 51,645.80 : x - Step 2: Convert to fraction form
135,845.36/203,778.96 = 51,645.80/x - Step 3: Cross multiply
135,845.36x = 203,778.96 × 51,645.80 - Step 4: Simplify right side
135,845.36x = 10,524,327,412.37 - Step 5: Solve for x
x = 10,524,327,412.37/135,845.36 - Step 6: Final answer
x = 77,472.85
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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.