Finding the Fourth Proportional to 122,087.28, 183,102.24 and 33,319.68
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Solution
The fourth proportional to 122,087.28, 183,102.24 and 33,319.68 is: 49,971.69
Step by Step Solution
- Step 1: Write the proportion equation
122,087.28 : 183,102.24 = 33,319.68 : x - Step 2: Convert to fraction form
122,087.28/183,102.24 = 33,319.68/x - Step 3: Cross multiply
122,087.28x = 183,102.24 × 33,319.68 - Step 4: Simplify right side
122,087.28x = 6,100,908,044.08 - Step 5: Solve for x
x = 6,100,908,044.08/122,087.28 - Step 6: Final answer
x = 49,971.69
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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.