Finding the Fourth Proportional to 113,676.83, 170,515.80 and 29,431.08
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Solution
The fourth proportional to 113,676.83, 170,515.80 and 29,431.08 is: 44,146.77
Step by Step Solution
- Step 1: Write the proportion equation
113,676.83 : 170,515.80 = 29,431.08 : x - Step 2: Convert to fraction form
113,676.83/170,515.80 = 29,431.08/x - Step 3: Cross multiply
113,676.83x = 170,515.80 × 29,431.08 - Step 4: Simplify right side
113,676.83x = 5,018,464,151.06 - Step 5: Solve for x
x = 5,018,464,151.06/113,676.83 - Step 6: Final answer
x = 44,146.77
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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.