Finding the Fourth Proportional to 297,455.21, 410,493.14 and 161,489.19
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Solution
The fourth proportional to 297,455.21, 410,493.14 and 161,489.19 is: 222,857.77
Step by Step Solution
- Step 1: Write the proportion equation
297,455.21 : 410,493.14 = 161,489.19 : x - Step 2: Convert to fraction form
297,455.21/410,493.14 = 161,489.19/x - Step 3: Cross multiply
297,455.21x = 410,493.14 × 161,489.19 - Step 4: Simplify right side
297,455.21x = 66,290,203,871.71 - Step 5: Solve for x
x = 66,290,203,871.71/297,455.21 - Step 6: Final answer
x = 222,857.77
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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.