Finding the Fourth Proportional to 491,102.99, 677,685.49 and 276,201.53
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Solution
The fourth proportional to 491,102.99, 677,685.49 and 276,201.53 is: 381,137.51
Step by Step Solution
- Step 1: Write the proportion equation
491,102.99 : 677,685.49 = 276,201.53 : x - Step 2: Convert to fraction form
491,102.99/677,685.49 = 276,201.53/x - Step 3: Cross multiply
491,102.99x = 677,685.49 × 276,201.53 - Step 4: Simplify right side
491,102.99x = 187,177,767,815.79 - Step 5: Solve for x
x = 187,177,767,815.79/491,102.99 - Step 6: Final answer
x = 381,137.51
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1.5x scale
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.