Finding the Fourth Proportional to 206,394.79, 284,827.19 and 114,515.80
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Solution
The fourth proportional to 206,394.79, 284,827.19 and 114,515.80 is: 158,033.12
Step by Step Solution
- Step 1: Write the proportion equation
206,394.79 : 284,827.19 = 114,515.80 : x - Step 2: Convert to fraction form
206,394.79/284,827.19 = 114,515.80/x - Step 3: Cross multiply
206,394.79x = 284,827.19 × 114,515.80 - Step 4: Simplify right side
206,394.79x = 32,617,213,098.82 - Step 5: Solve for x
x = 32,617,213,098.82/206,394.79 - Step 6: Final answer
x = 158,033.12
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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.