Finding the Fourth Proportional to 206,276.09, 284,660.63 and 115,632.02
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Solution
The fourth proportional to 206,276.09, 284,660.63 and 115,632.02 is: 159,571.98
Step by Step Solution
- Step 1: Write the proportion equation
206,276.09 : 284,660.63 = 115,632.02 : x - Step 2: Convert to fraction form
206,276.09/284,660.63 = 115,632.02/x - Step 3: Cross multiply
206,276.09x = 284,660.63 × 115,632.02 - Step 4: Simplify right side
206,276.09x = 32,915,884,228.48 - Step 5: Solve for x
x = 32,915,884,228.48/206,276.09 - Step 6: Final answer
x = 159,571.98
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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.