Finding the Fourth Proportional to 491,381.29, 737,076.07 and 136,422.99
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Solution
The fourth proportional to 491,381.29, 737,076.07 and 136,422.99 is: 204,635.63
Step by Step Solution
- Step 1: Write the proportion equation
491,381.29 : 737,076.07 = 136,422.99 : x - Step 2: Convert to fraction form
491,381.29/737,076.07 = 136,422.99/x - Step 3: Cross multiply
491,381.29x = 737,076.07 × 136,422.99 - Step 4: Simplify right side
491,381.29x = 100,554,122,112.02 - Step 5: Solve for x
x = 100,554,122,112.02/491,381.29 - Step 6: Final answer
x = 204,635.63
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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.