Finding the Fourth Proportional to 213,149.36, 319,729.50 and 100,882.14
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Solution
The fourth proportional to 213,149.36, 319,729.50 and 100,882.14 is: 151,325.80
Step by Step Solution
- Step 1: Write the proportion equation
213,149.36 : 319,729.50 = 100,882.14 : x - Step 2: Convert to fraction form
213,149.36/319,729.50 = 100,882.14/x - Step 3: Cross multiply
213,149.36x = 319,729.50 × 100,882.14 - Step 4: Simplify right side
213,149.36x = 32,254,996,181.13 - Step 5: Solve for x
x = 32,254,996,181.13/213,149.36 - Step 6: Final answer
x = 151,325.80
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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.