Finding the Fourth Proportional to 490,119.20, 734,832.84 and 190,350.08
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Solution
The fourth proportional to 490,119.20, 734,832.84 and 190,350.08 is: 285,390.76
Step by Step Solution
- Step 1: Write the proportion equation
490,119.20 : 734,832.84 = 190,350.08 : x - Step 2: Convert to fraction form
490,119.20/734,832.84 = 190,350.08/x - Step 3: Cross multiply
490,119.20x = 734,832.84 × 190,350.08 - Step 4: Simplify right side
490,119.20x = 139,875,489,880.63 - Step 5: Solve for x
x = 139,875,489,880.63/490,119.20 - Step 6: Final answer
x = 285,390.76
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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.