Finding the Fourth Proportional to 361,021.08, 541,614.68 and 121,166.80
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Solution
The fourth proportional to 361,021.08, 541,614.68 and 121,166.80 is: 181,778.08
Step by Step Solution
- Step 1: Write the proportion equation
361,021.08 : 541,614.68 = 121,166.80 : x - Step 2: Convert to fraction form
361,021.08/541,614.68 = 121,166.80/x - Step 3: Cross multiply
361,021.08x = 541,614.68 × 121,166.80 - Step 4: Simplify right side
361,021.08x = 65,625,717,608.62 - Step 5: Solve for x
x = 65,625,717,608.62/361,021.08 - Step 6: Final answer
x = 181,778.08
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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.