Finding the Fourth Proportional to 239,454.56, 330,449.60 and 132,028.80
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Solution
The fourth proportional to 239,454.56, 330,449.60 and 132,028.80 is: 182,201.02
Step by Step Solution
- Step 1: Write the proportion equation
239,454.56 : 330,449.60 = 132,028.80 : x - Step 2: Convert to fraction form
239,454.56/330,449.60 = 132,028.80/x - Step 3: Cross multiply
239,454.56x = 330,449.60 × 132,028.80 - Step 4: Simplify right side
239,454.56x = 43,628,864,148.48 - Step 5: Solve for x
x = 43,628,864,148.48/239,454.56 - Step 6: Final answer
x = 182,201.02
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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.