Finding the Fourth Proportional to 325,227.12, 487,840.74 and 214,393.20
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Solution
The fourth proportional to 325,227.12, 487,840.74 and 214,393.20 is: 321,589.84
Step by Step Solution
- Step 1: Write the proportion equation
325,227.12 : 487,840.74 = 214,393.20 : x - Step 2: Convert to fraction form
325,227.12/487,840.74 = 214,393.20/x - Step 3: Cross multiply
325,227.12x = 487,840.74 × 214,393.20 - Step 4: Simplify right side
325,227.12x = 104,589,737,338.97 - Step 5: Solve for x
x = 104,589,737,338.97/325,227.12 - Step 6: Final answer
x = 321,589.84
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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.