Finding the Fourth Proportional to 206,365.06, 284,678.97 and 134,786.98
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Solution
The fourth proportional to 206,365.06, 284,678.97 and 134,786.98 is: 185,937.57
Step by Step Solution
- Step 1: Write the proportion equation
206,365.06 : 284,678.97 = 134,786.98 : x - Step 2: Convert to fraction form
206,365.06/284,678.97 = 134,786.98/x - Step 3: Cross multiply
206,365.06x = 284,678.97 × 134,786.98 - Step 4: Simplify right side
206,365.06x = 38,371,018,635.81 - Step 5: Solve for x
x = 38,371,018,635.81/206,365.06 - Step 6: Final answer
x = 185,937.57
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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.