Finding the Fourth Proportional to 490,200.27, 734,664.69 and 220,128.99
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Solution
The fourth proportional to 490,200.27, 734,664.69 and 220,128.99 is: 329,908.01
Step by Step Solution
- Step 1: Write the proportion equation
490,200.27 : 734,664.69 = 220,128.99 : x - Step 2: Convert to fraction form
490,200.27/734,664.69 = 220,128.99/x - Step 3: Cross multiply
490,200.27x = 734,664.69 × 220,128.99 - Step 4: Simplify right side
490,200.27x = 161,720,996,198.36 - Step 5: Solve for x
x = 161,720,996,198.36/490,200.27 - Step 6: Final answer
x = 329,908.01
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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.