Finding the Fourth Proportional to 421,799.28, 582,082.99 and 230,812.69
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Solution
The fourth proportional to 421,799.28, 582,082.99 and 230,812.69 is: 318,521.50
Step by Step Solution
- Step 1: Write the proportion equation
421,799.28 : 582,082.99 = 230,812.69 : x - Step 2: Convert to fraction form
421,799.28/582,082.99 = 230,812.69/x - Step 3: Cross multiply
421,799.28x = 582,082.99 × 230,812.69 - Step 4: Simplify right side
421,799.28x = 134,352,140,725.14 - Step 5: Solve for x
x = 134,352,140,725.14/421,799.28 - Step 6: Final answer
x = 318,521.50
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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.