Finding the Fourth Proportional to 206,076.08, 284,381.68 and 115,431.84
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Solution
The fourth proportional to 206,076.08, 284,381.68 and 115,431.84 is: 159,294.08
Step by Step Solution
- Step 1: Write the proportion equation
206,076.08 : 284,381.68 = 115,431.84 : x - Step 2: Convert to fraction form
206,076.08/284,381.68 = 115,431.84/x - Step 3: Cross multiply
206,076.08x = 284,381.68 × 115,431.84 - Step 4: Simplify right side
206,076.08x = 32,826,700,584.69 - Step 5: Solve for x
x = 32,826,700,584.69/206,076.08 - Step 6: Final answer
x = 159,294.08
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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.