Finding the Fourth Proportional to 239,786.06, 330,904.78 and 132,356.12
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Solution
The fourth proportional to 239,786.06, 330,904.78 and 132,356.12 is: 182,651.45
Step by Step Solution
- Step 1: Write the proportion equation
239,786.06 : 330,904.78 = 132,356.12 : x - Step 2: Convert to fraction form
239,786.06/330,904.78 = 132,356.12/x - Step 3: Cross multiply
239,786.06x = 330,904.78 × 132,356.12 - Step 4: Simplify right side
239,786.06x = 43,797,271,612.10 - Step 5: Solve for x
x = 43,797,271,612.10/239,786.06 - Step 6: Final answer
x = 182,651.45
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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.