Finding the Fourth Proportional to 189,751.62, 284,674.14 and 133,701.20
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Solution
The fourth proportional to 189,751.62, 284,674.14 and 133,701.20 is: 200,584.71
Step by Step Solution
- Step 1: Write the proportion equation
189,751.62 : 284,674.14 = 133,701.20 : x - Step 2: Convert to fraction form
189,751.62/284,674.14 = 133,701.20/x - Step 3: Cross multiply
189,751.62x = 284,674.14 × 133,701.20 - Step 4: Simplify right side
189,751.62x = 38,061,273,771.13 - Step 5: Solve for x
x = 38,061,273,771.13/189,751.62 - Step 6: Final answer
x = 200,584.71
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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.