Finding the Fourth Proportional to 193,780.36, 267,489.96 and 113,234.06
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Solution
The fourth proportional to 193,780.36, 267,489.96 and 113,234.06 is: 156,305.70
Step by Step Solution
- Step 1: Write the proportion equation
193,780.36 : 267,489.96 = 113,234.06 : x - Step 2: Convert to fraction form
193,780.36/267,489.96 = 113,234.06/x - Step 3: Cross multiply
193,780.36x = 267,489.96 × 113,234.06 - Step 4: Simplify right side
193,780.36x = 30,288,974,180.04 - Step 5: Solve for x
x = 30,288,974,180.04/193,780.36 - Step 6: Final answer
x = 156,305.70
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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.