Finding the Fourth Proportional to 189,542.48, 261,549.96 and 104,640.08
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Solution
The fourth proportional to 189,542.48, 261,549.96 and 104,640.08 is: 144,393.01
Step by Step Solution
- Step 1: Write the proportion equation
189,542.48 : 261,549.96 = 104,640.08 : x - Step 2: Convert to fraction form
189,542.48/261,549.96 = 104,640.08/x - Step 3: Cross multiply
189,542.48x = 261,549.96 × 104,640.08 - Step 4: Simplify right side
189,542.48x = 27,368,608,738.40 - Step 5: Solve for x
x = 27,368,608,738.40/189,542.48 - Step 6: Final answer
x = 144,393.01
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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.