Finding the Fourth Proportional to 146,301.19, 201,912.08 and 82,643.09
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Solution
The fourth proportional to 146,301.19, 201,912.08 and 82,643.09 is: 114,056.74
Step by Step Solution
- Step 1: Write the proportion equation
146,301.19 : 201,912.08 = 82,643.09 : x - Step 2: Convert to fraction form
146,301.19/201,912.08 = 82,643.09/x - Step 3: Cross multiply
146,301.19x = 201,912.08 × 82,643.09 - Step 4: Simplify right side
146,301.19x = 16,686,636,776.75 - Step 5: Solve for x
x = 16,686,636,776.75/146,301.19 - Step 6: Final answer
x = 114,056.74
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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.