Finding the Fourth Proportional to 225,873.36, 338,686.34 and 104,161.82
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Solution
The fourth proportional to 225,873.36, 338,686.34 and 104,161.82 is: 156,185.68
Step by Step Solution
- Step 1: Write the proportion equation
225,873.36 : 338,686.34 = 104,161.82 : x - Step 2: Convert to fraction form
225,873.36/338,686.34 = 104,161.82/x - Step 3: Cross multiply
225,873.36x = 338,686.34 × 104,161.82 - Step 4: Simplify right side
225,873.36x = 35,278,183,369.30 - Step 5: Solve for x
x = 35,278,183,369.30/225,873.36 - Step 6: Final answer
x = 156,185.68
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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.