Finding the Fourth Proportional to 396,747.23, 547,884.68 and 276,218.01
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Solution
The fourth proportional to 396,747.23, 547,884.68 and 276,218.01 is: 381,440.89
Step by Step Solution
- Step 1: Write the proportion equation
396,747.23 : 547,884.68 = 276,218.01 : x - Step 2: Convert to fraction form
396,747.23/547,884.68 = 276,218.01/x - Step 3: Cross multiply
396,747.23x = 547,884.68 × 276,218.01 - Step 4: Simplify right side
396,747.23x = 151,335,614,638.00 - Step 5: Solve for x
x = 151,335,614,638.00/396,747.23 - Step 6: Final answer
x = 381,440.89
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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.