Finding the Fourth Proportional to 396,913.23, 547,750.76 and 227,202.03
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Solution
The fourth proportional to 396,913.23, 547,750.76 and 227,202.03 is: 313,544.81
Step by Step Solution
- Step 1: Write the proportion equation
396,913.23 : 547,750.76 = 227,202.03 : x - Step 2: Convert to fraction form
396,913.23/547,750.76 = 227,202.03/x - Step 3: Cross multiply
396,913.23x = 547,750.76 × 227,202.03 - Step 4: Simplify right side
396,913.23x = 124,450,083,470.03 - Step 5: Solve for x
x = 124,450,083,470.03/396,913.23 - Step 6: Final answer
x = 313,544.81
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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.