Finding the Fourth Proportional to 802,131.48, 1,203,198.84 and 328,731.84
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Solution
The fourth proportional to 802,131.48, 1,203,198.84 and 328,731.84 is: 493,098.42
Step by Step Solution
- Step 1: Write the proportion equation
802,131.48 : 1,203,198.84 = 328,731.84 : x - Step 2: Convert to fraction form
802,131.48/1,203,198.84 = 328,731.84/x - Step 3: Cross multiply
802,131.48x = 1,203,198.84 × 328,731.84 - Step 4: Simplify right side
802,131.48x = 395,529,768,559.07 - Step 5: Solve for x
x = 395,529,768,559.07/802,131.48 - Step 6: Final answer
x = 493,098.42
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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.