Finding the Fourth Proportional to 239,634.81, 330,693.84 and 132,205.68
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Solution
The fourth proportional to 239,634.81, 330,693.84 and 132,205.68 is: 182,442.63
Step by Step Solution
- Step 1: Write the proportion equation
239,634.81 : 330,693.84 = 132,205.68 : x - Step 2: Convert to fraction form
239,634.81/330,693.84 = 132,205.68/x - Step 3: Cross multiply
239,634.81x = 330,693.84 × 132,205.68 - Step 4: Simplify right side
239,634.81x = 43,719,603,989.01 - Step 5: Solve for x
x = 43,719,603,989.01/239,634.81 - Step 6: Final answer
x = 182,442.63
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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.