Finding the Fourth Proportional to 339,439.50, 509,604.21 and 227,620.08
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Solution
The fourth proportional to 339,439.50, 509,604.21 and 227,620.08 is: 341,728.50
Step by Step Solution
- Step 1: Write the proportion equation
339,439.50 : 509,604.21 = 227,620.08 : x - Step 2: Convert to fraction form
339,439.50/509,604.21 = 227,620.08/x - Step 3: Cross multiply
339,439.50x = 509,604.21 × 227,620.08 - Step 4: Simplify right side
339,439.50x = 115,996,151,048.54 - Step 5: Solve for x
x = 115,996,151,048.54/339,439.50 - Step 6: Final answer
x = 341,728.50
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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.