Finding the Fourth Proportional to 250,163.94, 345,226.38 and 135,442.62
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Solution
The fourth proportional to 250,163.94, 345,226.38 and 135,442.62 is: 186,910.89
Step by Step Solution
- Step 1: Write the proportion equation
250,163.94 : 345,226.38 = 135,442.62 : x - Step 2: Convert to fraction form
250,163.94/345,226.38 = 135,442.62/x - Step 3: Cross multiply
250,163.94x = 345,226.38 × 135,442.62 - Step 4: Simplify right side
250,163.94x = 46,758,364,787.86 - Step 5: Solve for x
x = 46,758,364,787.86/250,163.94 - Step 6: Final answer
x = 186,910.89
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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.