Finding the Fourth Proportional to 239,634.72, 330,693.84 and 132,205.50
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Solution
The fourth proportional to 239,634.72, 330,693.84 and 132,205.50 is: 182,442.45
Step by Step Solution
- Step 1: Write the proportion equation
239,634.72 : 330,693.84 = 132,205.50 : x - Step 2: Convert to fraction form
239,634.72/330,693.84 = 132,205.50/x - Step 3: Cross multiply
239,634.72x = 330,693.84 × 132,205.50 - Step 4: Simplify right side
239,634.72x = 43,719,544,464.12 - Step 5: Solve for x
x = 43,719,544,464.12/239,634.72 - Step 6: Final answer
x = 182,442.45
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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.