Finding the Fourth Proportional to 491,262.63, 677,905.92 and 276,361.26
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Solution
The fourth proportional to 491,262.63, 677,905.92 and 276,361.26 is: 381,358.00
Step by Step Solution
- Step 1: Write the proportion equation
491,262.63 : 677,905.92 = 276,361.26 : x - Step 2: Convert to fraction form
491,262.63/677,905.92 = 276,361.26/x - Step 3: Cross multiply
491,262.63x = 677,905.92 × 276,361.26 - Step 4: Simplify right side
491,262.63x = 187,346,934,212.66 - Step 5: Solve for x
x = 187,346,934,212.66/491,262.63 - Step 6: Final answer
x = 381,358.00
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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.