Finding the Fourth Proportional to 320,514.87, 480,843.39 and 120,836.99
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Solution
The fourth proportional to 320,514.87, 480,843.39 and 120,836.99 is: 181,282.28
Step by Step Solution
- Step 1: Write the proportion equation
320,514.87 : 480,843.39 = 120,836.99 : x - Step 2: Convert to fraction form
320,514.87/480,843.39 = 120,836.99/x - Step 3: Cross multiply
320,514.87x = 480,843.39 × 120,836.99 - Step 4: Simplify right side
320,514.87x = 58,103,667,532.16 - Step 5: Solve for x
x = 58,103,667,532.16/320,514.87 - Step 6: Final answer
x = 181,282.28
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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.