Finding the Fourth Proportional to 227,459.75, 313,903.76 and 125,496.95
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Solution
The fourth proportional to 227,459.75, 313,903.76 and 125,496.95 is: 173,190.92
Step by Step Solution
- Step 1: Write the proportion equation
227,459.75 : 313,903.76 = 125,496.95 : x - Step 2: Convert to fraction form
227,459.75/313,903.76 = 125,496.95/x - Step 3: Cross multiply
227,459.75x = 313,903.76 × 125,496.95 - Step 4: Simplify right side
227,459.75x = 39,393,962,276.53 - Step 5: Solve for x
x = 39,393,962,276.53/227,459.75 - Step 6: Final answer
x = 173,190.92
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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.