Finding the Fourth Proportional to 481,624.99, 664,653.23 and 274,889.24
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Solution
The fourth proportional to 481,624.99, 664,653.23 and 274,889.24 is: 379,353.28
Step by Step Solution
- Step 1: Write the proportion equation
481,624.99 : 664,653.23 = 274,889.24 : x - Step 2: Convert to fraction form
481,624.99/664,653.23 = 274,889.24/x - Step 3: Cross multiply
481,624.99x = 664,653.23 × 274,889.24 - Step 4: Simplify right side
481,624.99x = 182,706,021,258.25 - Step 5: Solve for x
x = 182,706,021,258.25/481,624.99 - Step 6: Final answer
x = 379,353.28
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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.