Finding the Fourth Proportional to 303,733.44, 455,340.80 and 214,706.88
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Solution
The fourth proportional to 303,733.44, 455,340.80 and 214,706.88 is: 321,876.98
Step by Step Solution
- Step 1: Write the proportion equation
303,733.44 : 455,340.80 = 214,706.88 : x - Step 2: Convert to fraction form
303,733.44/455,340.80 = 214,706.88/x - Step 3: Cross multiply
303,733.44x = 455,340.80 × 214,706.88 - Step 4: Simplify right side
303,733.44x = 97,764,802,504.70 - Step 5: Solve for x
x = 97,764,802,504.70/303,733.44 - Step 6: Final answer
x = 321,876.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.