Finding the Fourth Proportional to 491,422.04, 737,133.36 and 136,436.09
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Solution
The fourth proportional to 491,422.04, 737,133.36 and 136,436.09 is: 204,654.22
Step by Step Solution
- Step 1: Write the proportion equation
491,422.04 : 737,133.36 = 136,436.09 : x - Step 2: Convert to fraction form
491,422.04/737,133.36 = 136,436.09/x - Step 3: Cross multiply
491,422.04x = 737,133.36 × 136,436.09 - Step 4: Simplify right side
491,422.04x = 100,571,592,764.78 - Step 5: Solve for x
x = 100,571,592,764.78/491,422.04 - Step 6: Final answer
x = 204,654.22
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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.