Finding the Fourth Proportional to 204,220.30, 281,807.68 and 113,576.44
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Solution
The fourth proportional to 204,220.30, 281,807.68 and 113,576.44 is: 156,726.40
Step by Step Solution
- Step 1: Write the proportion equation
204,220.30 : 281,807.68 = 113,576.44 : x - Step 2: Convert to fraction form
204,220.30/281,807.68 = 113,576.44/x - Step 3: Cross multiply
204,220.30x = 281,807.68 × 113,576.44 - Step 4: Simplify right side
204,220.30x = 32,006,713,059.06 - Step 5: Solve for x
x = 32,006,713,059.06/204,220.30 - Step 6: Final answer
x = 156,726.40
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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.