Finding the Fourth Proportional to 135,209.21, 202,818.86 and 40,440.62
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Solution
The fourth proportional to 135,209.21, 202,818.86 and 40,440.62 is: 60,662.43
Step by Step Solution
- Step 1: Write the proportion equation
135,209.21 : 202,818.86 = 40,440.62 : x - Step 2: Convert to fraction form
135,209.21/202,818.86 = 40,440.62/x - Step 3: Cross multiply
135,209.21x = 202,818.86 × 40,440.62 - Step 4: Simplify right side
135,209.21x = 8,202,119,229.80 - Step 5: Solve for x
x = 8,202,119,229.80/135,209.21 - Step 6: Final answer
x = 60,662.43
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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.