Finding the Fourth Proportional to 239,816.97, 330,947.91 and 132,387.14
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Solution
The fourth proportional to 239,816.97, 330,947.91 and 132,387.14 is: 182,694.53
Step by Step Solution
- Step 1: Write the proportion equation
239,816.97 : 330,947.91 = 132,387.14 : x - Step 2: Convert to fraction form
239,816.97/330,947.91 = 132,387.14/x - Step 3: Cross multiply
239,816.97x = 330,947.91 × 132,387.14 - Step 4: Simplify right side
239,816.97x = 43,813,248,121.25 - Step 5: Solve for x
x = 43,813,248,121.25/239,816.97 - Step 6: Final answer
x = 182,694.53
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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.