Finding the Fourth Proportional to 135,480.71, 203,249.59 and 51,238.99
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Solution
The fourth proportional to 135,480.71, 203,249.59 and 51,238.99 is: 76,869.27
Step by Step Solution
- Step 1: Write the proportion equation
135,480.71 : 203,249.59 = 51,238.99 : x - Step 2: Convert to fraction form
135,480.71/203,249.59 = 51,238.99/x - Step 3: Cross multiply
135,480.71x = 203,249.59 × 51,238.99 - Step 4: Simplify right side
135,480.71x = 10,414,302,692.20 - Step 5: Solve for x
x = 10,414,302,692.20/135,480.71 - Step 6: Final answer
x = 76,869.27
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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.