Finding the Fourth Proportional to 331,791.80, 497,687.70 and 165,903.80
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Solution
The fourth proportional to 331,791.80, 497,687.70 and 165,903.80 is: 248,855.70
Step by Step Solution
- Step 1: Write the proportion equation
331,791.80 : 497,687.70 = 165,903.80 : x - Step 2: Convert to fraction form
331,791.80/497,687.70 = 165,903.80/x - Step 3: Cross multiply
331,791.80x = 497,687.70 × 165,903.80 - Step 4: Simplify right side
331,791.80x = 82,568,280,643.26 - Step 5: Solve for x
x = 82,568,280,643.26/331,791.80 - Step 6: Final answer
x = 248,855.70
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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.