Finding the Fourth Proportional to 339,431.13, 509,591.67 and 227,611.70
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Solution
The fourth proportional to 339,431.13, 509,591.67 and 227,611.70 is: 341,715.94
Step by Step Solution
- Step 1: Write the proportion equation
339,431.13 : 509,591.67 = 227,611.70 : x - Step 2: Convert to fraction form
339,431.13/509,591.67 = 227,611.70/x - Step 3: Cross multiply
339,431.13x = 509,591.67 × 227,611.70 - Step 4: Simplify right side
339,431.13x = 115,989,028,052.44 - Step 5: Solve for x
x = 115,989,028,052.44/339,431.13 - Step 6: Final answer
x = 341,715.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.