Finding the Fourth Proportional to 189,293.28, 261,223.44 and 104,408.48
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Solution
The fourth proportional to 189,293.28, 261,223.44 and 104,408.48 is: 144,082.99
Step by Step Solution
- Step 1: Write the proportion equation
189,293.28 : 261,223.44 = 104,408.48 : x - Step 2: Convert to fraction form
189,293.28/261,223.44 = 104,408.48/x - Step 3: Cross multiply
189,293.28x = 261,223.44 × 104,408.48 - Step 4: Simplify right side
189,293.28x = 27,273,942,310.77 - Step 5: Solve for x
x = 27,273,942,310.77/189,293.28 - Step 6: Final answer
x = 144,082.99
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1.5x scale
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.