Finding the Fourth Proportional to 331,347.75, 497,021.63 and 82,029.75
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Solution
The fourth proportional to 331,347.75, 497,021.63 and 82,029.75 is: 123,044.63
Step by Step Solution
- Step 1: Write the proportion equation
331,347.75 : 497,021.63 = 82,029.75 : x - Step 2: Convert to fraction form
331,347.75/497,021.63 = 82,029.75/x - Step 3: Cross multiply
331,347.75x = 497,021.63 × 82,029.75 - Step 4: Simplify right side
331,347.75x = 40,770,560,053.49 - Step 5: Solve for x
x = 40,770,560,053.49/331,347.75 - Step 6: Final answer
x = 123,044.63
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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.