Finding the Fourth Proportional to 379,270.05, 568,714.62 and 126,461.05
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Solution
The fourth proportional to 379,270.05, 568,714.62 and 126,461.05 is: 189,628.07
Step by Step Solution
- Step 1: Write the proportion equation
379,270.05 : 568,714.62 = 126,461.05 : x - Step 2: Convert to fraction form
379,270.05/568,714.62 = 126,461.05/x - Step 3: Cross multiply
379,270.05x = 568,714.62 × 126,461.05 - Step 4: Simplify right side
379,270.05x = 71,920,246,336.65 - Step 5: Solve for x
x = 71,920,246,336.65/379,270.05 - Step 6: Final answer
x = 189,628.07
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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.