Finding the Fourth Proportional to 226,731.68, 339,630.84 and 133,011.44
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Solution
The fourth proportional to 226,731.68, 339,630.84 and 133,011.44 is: 199,243.38
Step by Step Solution
- Step 1: Write the proportion equation
226,731.68 : 339,630.84 = 133,011.44 : x - Step 2: Convert to fraction form
226,731.68/339,630.84 = 133,011.44/x - Step 3: Cross multiply
226,731.68x = 339,630.84 × 133,011.44 - Step 4: Simplify right side
226,731.68x = 45,174,787,096.81 - Step 5: Solve for x
x = 45,174,787,096.81/226,731.68 - Step 6: Final answer
x = 199,243.38
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1.5x scale
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.