Finding the Fourth Proportional to 239,481.39, 330,485.01 and 132,049.07
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Solution
The fourth proportional to 239,481.39, 330,485.01 and 132,049.07 is: 182,228.09
Step by Step Solution
- Step 1: Write the proportion equation
239,481.39 : 330,485.01 = 132,049.07 : x - Step 2: Convert to fraction form
239,481.39/330,485.01 = 132,049.07/x - Step 3: Cross multiply
239,481.39x = 330,485.01 × 132,049.07 - Step 4: Simplify right side
239,481.39x = 43,640,238,053.93 - Step 5: Solve for x
x = 43,640,238,053.93/239,481.39 - Step 6: Final answer
x = 182,228.09
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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.