Finding the Fourth Proportional to 135,234.34, 202,880.48 and 40,471.84
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Solution
The fourth proportional to 135,234.34, 202,880.48 and 40,471.84 is: 60,716.43
Step by Step Solution
- Step 1: Write the proportion equation
135,234.34 : 202,880.48 = 40,471.84 : x - Step 2: Convert to fraction form
135,234.34/202,880.48 = 40,471.84/x - Step 3: Cross multiply
135,234.34x = 202,880.48 × 40,471.84 - Step 4: Simplify right side
135,234.34x = 8,210,946,325.68 - Step 5: Solve for x
x = 8,210,946,325.68/135,234.34 - Step 6: Final answer
x = 60,716.43
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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.