Finding the Fourth Proportional to 122,163.84, 183,251.28 and 33,415.36
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Solution
The fourth proportional to 122,163.84, 183,251.28 and 33,415.36 is: 50,124.55
Step by Step Solution
- Step 1: Write the proportion equation
122,163.84 : 183,251.28 = 33,415.36 : x - Step 2: Convert to fraction form
122,163.84/183,251.28 = 33,415.36/x - Step 3: Cross multiply
122,163.84x = 183,251.28 × 33,415.36 - Step 4: Simplify right side
122,163.84x = 6,123,407,491.66 - Step 5: Solve for x
x = 6,123,407,491.66/122,163.84 - Step 6: Final answer
x = 50,124.55
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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.