Finding the Fourth Proportional to 250,086.87, 375,129.74 and 193,243.44
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Solution
The fourth proportional to 250,086.87, 375,129.74 and 193,243.44 is: 289,864.72
Step by Step Solution
- Step 1: Write the proportion equation
250,086.87 : 375,129.74 = 193,243.44 : x - Step 2: Convert to fraction form
250,086.87/375,129.74 = 193,243.44/x - Step 3: Cross multiply
250,086.87x = 375,129.74 × 193,243.44 - Step 4: Simplify right side
250,086.87x = 72,491,361,403.91 - Step 5: Solve for x
x = 72,491,361,403.91/250,086.87 - Step 6: Final answer
x = 289,864.72
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1.5x scale
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.