Finding the Fourth Proportional to 189,553.92, 261,584.64 and 104,670.98
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Solution
The fourth proportional to 189,553.92, 261,584.64 and 104,670.98 is: 144,446.08
Step by Step Solution
- Step 1: Write the proportion equation
189,553.92 : 261,584.64 = 104,670.98 : x - Step 2: Convert to fraction form
189,553.92/261,584.64 = 104,670.98/x - Step 3: Cross multiply
189,553.92x = 261,584.64 × 104,670.98 - Step 4: Simplify right side
189,553.92x = 27,380,321,766.18 - Step 5: Solve for x
x = 27,380,321,766.18/189,553.92 - Step 6: Final answer
x = 144,446.08
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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.