Finding the Fourth Proportional to 226,992.12, 313,246.08 and 126,390.12
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Solution
The fourth proportional to 226,992.12, 313,246.08 and 126,390.12 is: 174,416.67
Step by Step Solution
- Step 1: Write the proportion equation
226,992.12 : 313,246.08 = 126,390.12 : x - Step 2: Convert to fraction form
226,992.12/313,246.08 = 126,390.12/x - Step 3: Cross multiply
226,992.12x = 313,246.08 × 126,390.12 - Step 4: Simplify right side
226,992.12x = 39,591,209,640.73 - Step 5: Solve for x
x = 39,591,209,640.73/226,992.12 - Step 6: Final answer
x = 174,416.67
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1.5x scale
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.