Finding the Fourth Proportional to 74,310.56, 111,442.42 and 24,379.02
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Solution
The fourth proportional to 74,310.56, 111,442.42 and 24,379.02 is: 36,560.85
Step by Step Solution
- Step 1: Write the proportion equation
74,310.56 : 111,442.42 = 24,379.02 : x - Step 2: Convert to fraction form
74,310.56/111,442.42 = 24,379.02/x - Step 3: Cross multiply
74,310.56x = 111,442.42 × 24,379.02 - Step 4: Simplify right side
74,310.56x = 2,716,856,864.13 - Step 5: Solve for x
x = 2,716,856,864.13/74,310.56 - Step 6: Final answer
x = 36,560.85
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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.