Finding the Fourth Proportional to 226,481.60, 339,722.40 and 201,987.20
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Solution
The fourth proportional to 226,481.60, 339,722.40 and 201,987.20 is: 302,980.80
Step by Step Solution
- Step 1: Write the proportion equation
226,481.60 : 339,722.40 = 201,987.20 : x - Step 2: Convert to fraction form
226,481.60/339,722.40 = 201,987.20/x - Step 3: Cross multiply
226,481.60x = 339,722.40 × 201,987.20 - Step 4: Simplify right side
226,481.60x = 68,619,576,353.28 - Step 5: Solve for x
x = 68,619,576,353.28/226,481.60 - Step 6: Final answer
x = 302,980.80
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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.