Finding the Fourth Proportional to 325,959.14, 488,839.24 and 225,403.62
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Solution
The fourth proportional to 325,959.14, 488,839.24 and 225,403.62 is: 338,036.65
Step by Step Solution
- Step 1: Write the proportion equation
325,959.14 : 488,839.24 = 225,403.62 : x - Step 2: Convert to fraction form
325,959.14/488,839.24 = 225,403.62/x - Step 3: Cross multiply
325,959.14x = 488,839.24 × 225,403.62 - Step 4: Simplify right side
325,959.14x = 110,186,134,294.05 - Step 5: Solve for x
x = 110,186,134,294.05/325,959.14 - Step 6: Final answer
x = 338,036.65
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1.5x scale
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.