Finding the Fourth Proportional to 263,989.28, 364,326.24 and 149,292.08
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Solution
The fourth proportional to 263,989.28, 364,326.24 and 149,292.08 is: 206,034.97
Step by Step Solution
- Step 1: Write the proportion equation
263,989.28 : 364,326.24 = 149,292.08 : x - Step 2: Convert to fraction form
263,989.28/364,326.24 = 149,292.08/x - Step 3: Cross multiply
263,989.28x = 364,326.24 × 149,292.08 - Step 4: Simplify right side
263,989.28x = 54,391,022,168.18 - Step 5: Solve for x
x = 54,391,022,168.18/263,989.28 - Step 6: Final answer
x = 206,034.97
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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.