Finding the Fourth Proportional to 146,281.38, 201,850.41 and 81,754.08
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Solution
The fourth proportional to 146,281.38, 201,850.41 and 81,754.08 is: 112,810.63
Step by Step Solution
- Step 1: Write the proportion equation
146,281.38 : 201,850.41 = 81,754.08 : x - Step 2: Convert to fraction form
146,281.38/201,850.41 = 81,754.08/x - Step 3: Cross multiply
146,281.38x = 201,850.41 × 81,754.08 - Step 4: Simplify right side
146,281.38x = 16,502,094,116.81 - Step 5: Solve for x
x = 16,502,094,116.81/146,281.38 - Step 6: Final answer
x = 112,810.63
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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.