Finding the Fourth Proportional to 250,170.58, 345,234.94 and 135,449.20
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Solution
The fourth proportional to 250,170.58, 345,234.94 and 135,449.20 is: 186,919.65
Step by Step Solution
- Step 1: Write the proportion equation
250,170.58 : 345,234.94 = 135,449.20 : x - Step 2: Convert to fraction form
250,170.58/345,234.94 = 135,449.20/x - Step 3: Cross multiply
250,170.58x = 345,234.94 × 135,449.20 - Step 4: Simplify right side
250,170.58x = 46,761,796,435.05 - Step 5: Solve for x
x = 46,761,796,435.05/250,170.58 - Step 6: Final answer
x = 186,919.65
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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.