Finding the Fourth Proportional to 239,672.14, 330,754.47 and 132,249.09
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Solution
The fourth proportional to 239,672.14, 330,754.47 and 132,249.09 is: 182,507.56
Step by Step Solution
- Step 1: Write the proportion equation
239,672.14 : 330,754.47 = 132,249.09 : x - Step 2: Convert to fraction form
239,672.14/330,754.47 = 132,249.09/x - Step 3: Cross multiply
239,672.14x = 330,754.47 × 132,249.09 - Step 4: Simplify right side
239,672.14x = 43,741,977,670.93 - Step 5: Solve for x
x = 43,741,977,670.93/239,672.14 - Step 6: Final answer
x = 182,507.56
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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.