Finding the Fourth Proportional to 239,817.97, 330,949.29 and 132,388.14
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Solution
The fourth proportional to 239,817.97, 330,949.29 and 132,388.14 is: 182,695.90
Step by Step Solution
- Step 1: Write the proportion equation
239,817.97 : 330,949.29 = 132,388.14 : x - Step 2: Convert to fraction form
239,817.97/330,949.29 = 132,388.14/x - Step 3: Cross multiply
239,817.97x = 330,949.29 × 132,388.14 - Step 4: Simplify right side
239,817.97x = 43,813,760,937.42 - Step 5: Solve for x
x = 43,813,760,937.42/239,817.97 - Step 6: Final answer
x = 182,695.90
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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.