Finding the Fourth Proportional to 326,820.53, 490,231.18 and 102,182.14
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Solution
The fourth proportional to 326,820.53, 490,231.18 and 102,182.14 is: 153,273.33
Step by Step Solution
- Step 1: Write the proportion equation
326,820.53 : 490,231.18 = 102,182.14 : x - Step 2: Convert to fraction form
326,820.53/490,231.18 = 102,182.14/x - Step 3: Cross multiply
326,820.53x = 490,231.18 × 102,182.14 - Step 4: Simplify right side
326,820.53x = 50,092,871,067.13 - Step 5: Solve for x
x = 50,092,871,067.13/326,820.53 - Step 6: Final answer
x = 153,273.33
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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.