Finding the Fourth Proportional to 80,379.24, 120,588.84 and 24,218.08
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Solution
The fourth proportional to 80,379.24, 120,588.84 and 24,218.08 is: 36,333.14
Step by Step Solution
- Step 1: Write the proportion equation
80,379.24 : 120,588.84 = 24,218.08 : x - Step 2: Convert to fraction form
80,379.24/120,588.84 = 24,218.08/x - Step 3: Cross multiply
80,379.24x = 120,588.84 × 24,218.08 - Step 4: Simplify right side
80,379.24x = 2,920,430,174.23 - Step 5: Solve for x
x = 2,920,430,174.23/80,379.24 - Step 6: Final answer
x = 36,333.14
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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.