Finding the Fourth Proportional to 189,771.36, 261,898.06 and 104,886.60
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Solution
The fourth proportional to 189,771.36, 261,898.06 and 104,886.60 is: 144,751.02
Step by Step Solution
- Step 1: Write the proportion equation
189,771.36 : 261,898.06 = 104,886.60 : x - Step 2: Convert to fraction form
189,771.36/261,898.06 = 104,886.60/x - Step 3: Cross multiply
189,771.36x = 261,898.06 × 104,886.60 - Step 4: Simplify right side
189,771.36x = 27,469,597,060.00 - Step 5: Solve for x
x = 27,469,597,060.00/189,771.36 - Step 6: Final answer
x = 144,751.02
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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.