Finding the Fourth Proportional to 189,612.36, 284,408.28 and 96,115.68
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Solution
The fourth proportional to 189,612.36, 284,408.28 and 96,115.68 is: 144,168.32
Step by Step Solution
- Step 1: Write the proportion equation
189,612.36 : 284,408.28 = 96,115.68 : x - Step 2: Convert to fraction form
189,612.36/284,408.28 = 96,115.68/x - Step 3: Cross multiply
189,612.36x = 284,408.28 × 96,115.68 - Step 4: Simplify right side
189,612.36x = 27,336,095,229.83 - Step 5: Solve for x
x = 27,336,095,229.83/189,612.36 - Step 6: Final answer
x = 144,168.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.