Finding the Fourth Proportional to 379,543.97, 568,855.62 and 278,769.74
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Solution
The fourth proportional to 379,543.97, 568,855.62 and 278,769.74 is: 417,816.50
Step by Step Solution
- Step 1: Write the proportion equation
379,543.97 : 568,855.62 = 278,769.74 : x - Step 2: Convert to fraction form
379,543.97/568,855.62 = 278,769.74/x - Step 3: Cross multiply
379,543.97x = 568,855.62 × 278,769.74 - Step 4: Simplify right side
379,543.97x = 158,579,733,284.94 - Step 5: Solve for x
x = 158,579,733,284.94/379,543.97 - Step 6: Final answer
x = 417,816.50
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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.