Finding the Fourth Proportional to 144,621.27, 217,071.84 and 69,794.09
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Solution
The fourth proportional to 144,621.27, 217,071.84 and 69,794.09 is: 104,758.66
Step by Step Solution
- Step 1: Write the proportion equation
144,621.27 : 217,071.84 = 69,794.09 : x - Step 2: Convert to fraction form
144,621.27/217,071.84 = 69,794.09/x - Step 3: Cross multiply
144,621.27x = 217,071.84 × 69,794.09 - Step 4: Simplify right side
144,621.27x = 15,150,330,103.10 - Step 5: Solve for x
x = 15,150,330,103.10/144,621.27 - Step 6: Final answer
x = 104,758.66
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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.