Finding the Fourth Proportional to 206,246.20, 288,122.60 and 206,246.20
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Solution
The fourth proportional to 206,246.20, 288,122.60 and 206,246.20 is: 288,122.60
Step by Step Solution
- Step 1: Write the proportion equation
206,246.20 : 288,122.60 = 206,246.20 : x - Step 2: Convert to fraction form
206,246.20/288,122.60 = 206,246.20/x - Step 3: Cross multiply
206,246.20x = 288,122.60 × 206,246.20 - Step 4: Simplify right side
206,246.20x = 59,424,191,384.12 - Step 5: Solve for x
x = 59,424,191,384.12/206,246.20 - Step 6: Final answer
x = 288,122.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.