Finding the Fourth Proportional to 226,890.12, 313,108.26 and 126,311.88
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Solution
The fourth proportional to 226,890.12, 313,108.26 and 126,311.88 is: 174,310.34
Step by Step Solution
- Step 1: Write the proportion equation
226,890.12 : 313,108.26 = 126,311.88 : x - Step 2: Convert to fraction form
226,890.12/313,108.26 = 126,311.88/x - Step 3: Cross multiply
226,890.12x = 313,108.26 × 126,311.88 - Step 4: Simplify right side
226,890.12x = 39,549,292,964.13 - Step 5: Solve for x
x = 39,549,292,964.13/226,890.12 - Step 6: Final answer
x = 174,310.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.