Finding the Fourth Proportional to 188,964.93, 260,771.58 and 104,081.99
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Solution
The fourth proportional to 188,964.93, 260,771.58 and 104,081.99 is: 143,633.14
Step by Step Solution
- Step 1: Write the proportion equation
188,964.93 : 260,771.58 = 104,081.99 : x - Step 2: Convert to fraction form
188,964.93/260,771.58 = 104,081.99/x - Step 3: Cross multiply
188,964.93x = 260,771.58 × 104,081.99 - Step 4: Simplify right side
188,964.93x = 27,141,625,633.77 - Step 5: Solve for x
x = 27,141,625,633.77/188,964.93 - Step 6: Final answer
x = 143,633.14
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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.