Finding the Fourth Proportional to 113,691.56, 170,537.84 and 29,445.74
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Solution
The fourth proportional to 113,691.56, 170,537.84 and 29,445.74 is: 44,168.74
Step by Step Solution
- Step 1: Write the proportion equation
113,691.56 : 170,537.84 = 29,445.74 : x - Step 2: Convert to fraction form
113,691.56/170,537.84 = 29,445.74/x - Step 3: Cross multiply
113,691.56x = 170,537.84 × 29,445.74 - Step 4: Simplify right side
113,691.56x = 5,021,612,291.41 - Step 5: Solve for x
x = 5,021,612,291.41/113,691.56 - Step 6: Final answer
x = 44,168.74
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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.