Finding the Fourth Proportional to 227,469.58, 313,909.08 and 125,496.28
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Solution
The fourth proportional to 227,469.58, 313,909.08 and 125,496.28 is: 173,185.45
Step by Step Solution
- Step 1: Write the proportion equation
227,469.58 : 313,909.08 = 125,496.28 : x - Step 2: Convert to fraction form
227,469.58/313,909.08 = 125,496.28/x - Step 3: Cross multiply
227,469.58x = 313,909.08 × 125,496.28 - Step 4: Simplify right side
227,469.58x = 39,394,421,798.22 - Step 5: Solve for x
x = 39,394,421,798.22/227,469.58 - Step 6: Final answer
x = 173,185.45
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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.