Finding the Fourth Proportional to 325,305.60, 487,958.40 and 125,635.20
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Solution
The fourth proportional to 325,305.60, 487,958.40 and 125,635.20 is: 188,452.80
Step by Step Solution
- Step 1: Write the proportion equation
325,305.60 : 487,958.40 = 125,635.20 : x - Step 2: Convert to fraction form
325,305.60/487,958.40 = 125,635.20/x - Step 3: Cross multiply
325,305.60x = 487,958.40 × 125,635.20 - Step 4: Simplify right side
325,305.60x = 61,304,751,175.68 - Step 5: Solve for x
x = 61,304,751,175.68/325,305.60 - Step 6: Final answer
x = 188,452.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.