Finding the Fourth Proportional to 227,440.80, 313,861.50 and 126,838.80
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Solution
The fourth proportional to 227,440.80, 313,861.50 and 126,838.80 is: 175,033.75
Step by Step Solution
- Step 1: Write the proportion equation
227,440.80 : 313,861.50 = 126,838.80 : x - Step 2: Convert to fraction form
227,440.80/313,861.50 = 126,838.80/x - Step 3: Cross multiply
227,440.80x = 313,861.50 × 126,838.80 - Step 4: Simplify right side
227,440.80x = 39,809,816,026.20 - Step 5: Solve for x
x = 39,809,816,026.20/227,440.80 - Step 6: Final answer
x = 175,033.75
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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.