Finding the Fourth Proportional to 319,662.44, 479,707.68 and 132,674.12
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Solution
The fourth proportional to 319,662.44, 479,707.68 and 132,674.12 is: 199,100.01
Step by Step Solution
- Step 1: Write the proportion equation
319,662.44 : 479,707.68 = 132,674.12 : x - Step 2: Convert to fraction form
319,662.44/479,707.68 = 132,674.12/x - Step 3: Cross multiply
319,662.44x = 479,707.68 × 132,674.12 - Step 4: Simplify right side
319,662.44x = 63,644,794,301.24 - Step 5: Solve for x
x = 63,644,794,301.24/319,662.44 - Step 6: Final answer
x = 199,100.01
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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.