Finding the Fourth Proportional to 226,434.80, 339,652.20 and 86,175.20
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Solution
The fourth proportional to 226,434.80, 339,652.20 and 86,175.20 is: 129,262.80
Step by Step Solution
- Step 1: Write the proportion equation
226,434.80 : 339,652.20 = 86,175.20 : x - Step 2: Convert to fraction form
226,434.80/339,652.20 = 86,175.20/x - Step 3: Cross multiply
226,434.80x = 339,652.20 × 86,175.20 - Step 4: Simplify right side
226,434.80x = 29,269,596,265.44 - Step 5: Solve for x
x = 29,269,596,265.44/226,434.80 - Step 6: Final answer
x = 129,262.80
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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.