Finding the Fourth Proportional to 122,515.11, 183,785.37 and 33,768.63
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Solution
The fourth proportional to 122,515.11, 183,785.37 and 33,768.63 is: 50,656.45
Step by Step Solution
- Step 1: Write the proportion equation
122,515.11 : 183,785.37 = 33,768.63 : x - Step 2: Convert to fraction form
122,515.11/183,785.37 = 33,768.63/x - Step 3: Cross multiply
122,515.11x = 183,785.37 × 33,768.63 - Step 4: Simplify right side
122,515.11x = 6,206,180,158.94 - Step 5: Solve for x
x = 6,206,180,158.94/122,515.11 - Step 6: Final answer
x = 50,656.45
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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.