Finding the Fourth Proportional to 201,968.20, 302,952.30 and 192,782.80
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Solution
The fourth proportional to 201,968.20, 302,952.30 and 192,782.80 is: 289,174.20
Step by Step Solution
- Step 1: Write the proportion equation
201,968.20 : 302,952.30 = 192,782.80 : x - Step 2: Convert to fraction form
201,968.20/302,952.30 = 192,782.80/x - Step 3: Cross multiply
201,968.20x = 302,952.30 × 192,782.80 - Step 4: Simplify right side
201,968.20x = 58,403,992,660.44 - Step 5: Solve for x
x = 58,403,992,660.44/201,968.20 - Step 6: Final answer
x = 289,174.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.