Finding the Fourth Proportional to 491,037.44, 677,624.99 and 276,177.42
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Solution
The fourth proportional to 491,037.44, 677,624.99 and 276,177.42 is: 381,121.09
Step by Step Solution
- Step 1: Write the proportion equation
491,037.44 : 677,624.99 = 276,177.42 : x - Step 2: Convert to fraction form
491,037.44/677,624.99 = 276,177.42/x - Step 3: Cross multiply
491,037.44x = 677,624.99 × 276,177.42 - Step 4: Simplify right side
491,037.44x = 187,144,720,084.84 - Step 5: Solve for x
x = 187,144,720,084.84/491,037.44 - Step 6: Final answer
x = 381,121.09
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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.