Finding the Fourth Proportional to 239,374.56, 330,335.25 and 131,944.68
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Solution
The fourth proportional to 239,374.56, 330,335.25 and 131,944.68 is: 182,082.75
Step by Step Solution
- Step 1: Write the proportion equation
239,374.56 : 330,335.25 = 131,944.68 : x - Step 2: Convert to fraction form
239,374.56/330,335.25 = 131,944.68/x - Step 3: Cross multiply
239,374.56x = 330,335.25 × 131,944.68 - Step 4: Simplify right side
239,374.56x = 43,585,978,853.97 - Step 5: Solve for x
x = 43,585,978,853.97/239,374.56 - Step 6: Final answer
x = 182,082.75
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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.