Finding the Fourth Proportional to 87,391.40, 131,090.00 and 24,212.15
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Solution
The fourth proportional to 87,391.40, 131,090.00 and 24,212.15 is: 36,319.03
Step by Step Solution
- Step 1: Write the proportion equation
87,391.40 : 131,090.00 = 24,212.15 : x - Step 2: Convert to fraction form
87,391.40/131,090.00 = 24,212.15/x - Step 3: Cross multiply
87,391.40x = 131,090.00 × 24,212.15 - Step 4: Simplify right side
87,391.40x = 3,173,970,950.16 - Step 5: Solve for x
x = 3,173,970,950.16/87,391.40 - Step 6: Final answer
x = 36,319.03
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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.