Finding the Fourth Proportional to 300,458.41, 414,632.71 and 164,500.99
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Solution
The fourth proportional to 300,458.41, 414,632.71 and 164,500.99 is: 227,011.42
Step by Step Solution
- Step 1: Write the proportion equation
300,458.41 : 414,632.71 = 164,500.99 : x - Step 2: Convert to fraction form
300,458.41/414,632.71 = 164,500.99/x - Step 3: Cross multiply
300,458.41x = 414,632.71 × 164,500.99 - Step 4: Simplify right side
300,458.41x = 68,207,491,857.42 - Step 5: Solve for x
x = 68,207,491,857.42/300,458.41 - Step 6: Final answer
x = 227,011.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.