Finding the Fourth Proportional to 491,161.05, 677,795.04 and 276,301.26
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Solution
The fourth proportional to 491,161.05, 677,795.04 and 276,301.26 is: 381,291.68
Step by Step Solution
- Step 1: Write the proportion equation
491,161.05 : 677,795.04 = 276,301.26 : x - Step 2: Convert to fraction form
491,161.05/677,795.04 = 276,301.26/x - Step 3: Cross multiply
491,161.05x = 677,795.04 × 276,301.26 - Step 4: Simplify right side
491,161.05x = 187,275,623,573.75 - Step 5: Solve for x
x = 187,275,623,573.75/491,161.05 - Step 6: Final answer
x = 381,291.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.