Finding the Fourth Proportional to 294,306.80, 441,114.56 and 136,201.28
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Solution
The fourth proportional to 294,306.80, 441,114.56 and 136,201.28 is: 204,141.96
Step by Step Solution
- Step 1: Write the proportion equation
294,306.80 : 441,114.56 = 136,201.28 : x - Step 2: Convert to fraction form
294,306.80/441,114.56 = 136,201.28/x - Step 3: Cross multiply
294,306.80x = 441,114.56 × 136,201.28 - Step 4: Simplify right side
294,306.80x = 60,080,367,698.64 - Step 5: Solve for x
x = 60,080,367,698.64/294,306.80 - Step 6: Final answer
x = 204,141.96
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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.