Finding the Fourth Proportional to 322,426.26, 444,912.89 and 186,439.68
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Solution
The fourth proportional to 322,426.26, 444,912.89 and 186,439.68 is: 257,266.32
Step by Step Solution
- Step 1: Write the proportion equation
322,426.26 : 444,912.89 = 186,439.68 : x - Step 2: Convert to fraction form
322,426.26/444,912.89 = 186,439.68/x - Step 3: Cross multiply
322,426.26x = 444,912.89 × 186,439.68 - Step 4: Simplify right side
322,426.26x = 82,949,415,907.28 - Step 5: Solve for x
x = 82,949,415,907.28/322,426.26 - Step 6: Final answer
x = 257,266.32
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1.5x scale
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.