Finding the Fourth Proportional to 188,961.93, 260,767.46 and 104,078.99
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Solution
The fourth proportional to 188,961.93, 260,767.46 and 104,078.99 is: 143,629.00
Step by Step Solution
- Step 1: Write the proportion equation
188,961.93 : 260,767.46 = 104,078.99 : x - Step 2: Convert to fraction form
188,961.93/260,767.46 = 104,078.99/x - Step 3: Cross multiply
188,961.93x = 260,767.46 × 104,078.99 - Step 4: Simplify right side
188,961.93x = 27,140,413,015.31 - Step 5: Solve for x
x = 27,140,413,015.31/188,961.93 - Step 6: Final answer
x = 143,629.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.