Finding the Fourth Proportional to 206,642.79, 285,176.52 and 114,762.49
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Solution
The fourth proportional to 206,642.79, 285,176.52 and 114,762.49 is: 158,377.50
Step by Step Solution
- Step 1: Write the proportion equation
206,642.79 : 285,176.52 = 114,762.49 : x - Step 2: Convert to fraction form
206,642.79/285,176.52 = 114,762.49/x - Step 3: Cross multiply
206,642.79x = 285,176.52 × 114,762.49 - Step 4: Simplify right side
206,642.79x = 32,727,567,524.73 - Step 5: Solve for x
x = 32,727,567,524.73/206,642.79 - Step 6: Final answer
x = 158,377.50
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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.