Finding the Fourth Proportional to 481,771.64, 722,416.99 and 157,517.49
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Solution
The fourth proportional to 481,771.64, 722,416.99 and 157,517.49 is: 236,197.61
Step by Step Solution
- Step 1: Write the proportion equation
481,771.64 : 722,416.99 = 157,517.49 : x - Step 2: Convert to fraction form
481,771.64/722,416.99 = 157,517.49/x - Step 3: Cross multiply
481,771.64x = 722,416.99 × 157,517.49 - Step 4: Simplify right side
481,771.64x = 113,793,310,604.36 - Step 5: Solve for x
x = 113,793,310,604.36/481,771.64 - Step 6: Final answer
x = 236,197.61
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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.