Finding the Fourth Proportional to 397,121.40, 595,682.10 and 239,268.60
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Solution
The fourth proportional to 397,121.40, 595,682.10 and 239,268.60 is: 358,902.90
Step by Step Solution
- Step 1: Write the proportion equation
397,121.40 : 595,682.10 = 239,268.60 : x - Step 2: Convert to fraction form
397,121.40/595,682.10 = 239,268.60/x - Step 3: Cross multiply
397,121.40x = 595,682.10 × 239,268.60 - Step 4: Simplify right side
397,121.40x = 142,528,022,112.06 - Step 5: Solve for x
x = 142,528,022,112.06/397,121.40 - Step 6: Final answer
x = 358,902.90
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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.