Finding the Fourth Proportional to 297,388.02, 410,396.42 and 161,422.08
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Solution
The fourth proportional to 297,388.02, 410,396.42 and 161,422.08 is: 222,762.99
Step by Step Solution
- Step 1: Write the proportion equation
297,388.02 : 410,396.42 = 161,422.08 : x - Step 2: Convert to fraction form
297,388.02/410,396.42 = 161,422.08/x - Step 3: Cross multiply
297,388.02x = 410,396.42 × 161,422.08 - Step 4: Simplify right side
297,388.02x = 66,247,043,740.95 - Step 5: Solve for x
x = 66,247,043,740.95/297,388.02 - Step 6: Final answer
x = 222,762.99
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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.