Finding the Fourth Proportional to 188,905.94, 260,680.84 and 104,007.14
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Solution
The fourth proportional to 188,905.94, 260,680.84 and 104,007.14 is: 143,524.70
Step by Step Solution
- Step 1: Write the proportion equation
188,905.94 : 260,680.84 = 104,007.14 : x - Step 2: Convert to fraction form
188,905.94/260,680.84 = 104,007.14/x - Step 3: Cross multiply
188,905.94x = 260,680.84 × 104,007.14 - Step 4: Simplify right side
188,905.94x = 27,112,668,621.20 - Step 5: Solve for x
x = 27,112,668,621.20/188,905.94 - Step 6: Final answer
x = 143,524.70
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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.