Finding the Fourth Proportional to 297,390.02, 410,399.18 and 161,424.08
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Solution
The fourth proportional to 297,390.02, 410,399.18 and 161,424.08 is: 222,765.75
Step by Step Solution
- Step 1: Write the proportion equation
297,390.02 : 410,399.18 = 161,424.08 : x - Step 2: Convert to fraction form
297,390.02/410,399.18 = 161,424.08/x - Step 3: Cross multiply
297,390.02x = 410,399.18 × 161,424.08 - Step 4: Simplify right side
297,390.02x = 66,248,310,064.25 - Step 5: Solve for x
x = 66,248,310,064.25/297,390.02 - Step 6: Final answer
x = 222,765.75
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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.