Finding the Fourth Proportional to 202,786.56, 304,179.84 and 84,422.88
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Solution
The fourth proportional to 202,786.56, 304,179.84 and 84,422.88 is: 126,634.32
Step by Step Solution
- Step 1: Write the proportion equation
202,786.56 : 304,179.84 = 84,422.88 : x - Step 2: Convert to fraction form
202,786.56/304,179.84 = 84,422.88/x - Step 3: Cross multiply
202,786.56x = 304,179.84 × 84,422.88 - Step 4: Simplify right side
202,786.56x = 25,679,738,130.74 - Step 5: Solve for x
x = 25,679,738,130.74/202,786.56 - Step 6: Final answer
x = 126,634.32
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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.