Finding the Fourth Proportional to 206,369.94, 284,850.99 and 134,761.08
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Solution
The fourth proportional to 206,369.94, 284,850.99 and 134,761.08 is: 186,009.78
Step by Step Solution
- Step 1: Write the proportion equation
206,369.94 : 284,850.99 = 134,761.08 : x - Step 2: Convert to fraction form
206,369.94/284,850.99 = 134,761.08/x - Step 3: Cross multiply
206,369.94x = 284,850.99 × 134,761.08 - Step 4: Simplify right side
206,369.94x = 38,386,827,051.47 - Step 5: Solve for x
x = 38,386,827,051.47/206,369.94 - Step 6: Final answer
x = 186,009.78
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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.