Finding the Fourth Proportional to 134,911.22, 202,331.55 and 40,115.88
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Solution
The fourth proportional to 134,911.22, 202,331.55 and 40,115.88 is: 60,163.32
Step by Step Solution
- Step 1: Write the proportion equation
134,911.22 : 202,331.55 = 40,115.88 : x - Step 2: Convert to fraction form
134,911.22/202,331.55 = 40,115.88/x - Step 3: Cross multiply
134,911.22x = 202,331.55 × 40,115.88 - Step 4: Simplify right side
134,911.22x = 8,116,707,168.36 - Step 5: Solve for x
x = 8,116,707,168.36/134,911.22 - Step 6: Final answer
x = 60,163.32
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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.