Finding the Fourth Proportional to 146,272.44, 201,859.95 and 82,619.70
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Solution
The fourth proportional to 146,272.44, 201,859.95 and 82,619.70 is: 114,017.44
Step by Step Solution
- Step 1: Write the proportion equation
146,272.44 : 201,859.95 = 82,619.70 : x - Step 2: Convert to fraction form
146,272.44/201,859.95 = 82,619.70/x - Step 3: Cross multiply
146,272.44x = 201,859.95 × 82,619.70 - Step 4: Simplify right side
146,272.44x = 16,677,608,511.02 - Step 5: Solve for x
x = 16,677,608,511.02/146,272.44 - Step 6: Final answer
x = 114,017.44
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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.