Finding the Fourth Proportional to 206,477.67, 284,934.70 and 115,831.99
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Solution
The fourth proportional to 206,477.67, 284,934.70 and 115,831.99 is: 159,845.63
Step by Step Solution
- Step 1: Write the proportion equation
206,477.67 : 284,934.70 = 115,831.99 : x - Step 2: Convert to fraction form
206,477.67/284,934.70 = 115,831.99/x - Step 3: Cross multiply
206,477.67x = 284,934.70 × 115,831.99 - Step 4: Simplify right side
206,477.67x = 33,004,553,321.05 - Step 5: Solve for x
x = 33,004,553,321.05/206,477.67 - Step 6: Final answer
x = 159,845.63
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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.