Finding the Fourth Proportional to 239,787.20, 330,906.39 and 132,357.29
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Solution
The fourth proportional to 239,787.20, 330,906.39 and 132,357.29 is: 182,653.09
Step by Step Solution
- Step 1: Write the proportion equation
239,787.20 : 330,906.39 = 132,357.29 : x - Step 2: Convert to fraction form
239,787.20/330,906.39 = 132,357.29/x - Step 3: Cross multiply
239,787.20x = 330,906.39 × 132,357.29 - Step 4: Simplify right side
239,787.20x = 43,797,873,024.08 - Step 5: Solve for x
x = 43,797,873,024.08/239,787.20 - Step 6: Final answer
x = 182,653.09
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1.5x scale
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.