Finding the Fourth Proportional to 122,390.36, 183,177.22 and 69,785.88
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Solution
The fourth proportional to 122,390.36, 183,177.22 and 69,785.88 is: 104,446.00
Step by Step Solution
- Step 1: Write the proportion equation
122,390.36 : 183,177.22 = 69,785.88 : x - Step 2: Convert to fraction form
122,390.36/183,177.22 = 69,785.88/x - Step 3: Cross multiply
122,390.36x = 183,177.22 × 69,785.88 - Step 4: Simplify right side
122,390.36x = 12,783,183,493.65 - Step 5: Solve for x
x = 12,783,183,493.65/122,390.36 - Step 6: Final answer
x = 104,446.00
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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.