Finding the Fourth Proportional to 414,201.12, 621,198.88 and 177,516.96
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Solution
The fourth proportional to 414,201.12, 621,198.88 and 177,516.96 is: 266,231.38
Step by Step Solution
- Step 1: Write the proportion equation
414,201.12 : 621,198.88 = 177,516.96 : x - Step 2: Convert to fraction form
414,201.12/621,198.88 = 177,516.96/x - Step 3: Cross multiply
414,201.12x = 621,198.88 × 177,516.96 - Step 4: Simplify right side
414,201.12x = 110,273,336,733.01 - Step 5: Solve for x
x = 110,273,336,733.01/414,201.12 - Step 6: Final answer
x = 266,231.38
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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.