Finding the Fourth Proportional to 331,694.26, 497,385.78 and 121,184.98
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Solution
The fourth proportional to 331,694.26, 497,385.78 and 121,184.98 is: 181,720.62
Step by Step Solution
- Step 1: Write the proportion equation
331,694.26 : 497,385.78 = 121,184.98 : x - Step 2: Convert to fraction form
331,694.26/497,385.78 = 121,184.98/x - Step 3: Cross multiply
331,694.26x = 497,385.78 × 121,184.98 - Step 4: Simplify right side
331,694.26x = 60,275,685,801.58 - Step 5: Solve for x
x = 60,275,685,801.58/331,694.26 - Step 6: Final answer
x = 181,720.62
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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.