Finding the Fourth Proportional to 414,696.68, 622,143.76 and 134,213.94
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Solution
The fourth proportional to 414,696.68, 622,143.76 and 134,213.94 is: 201,352.87
Step by Step Solution
- Step 1: Write the proportion equation
414,696.68 : 622,143.76 = 134,213.94 : x - Step 2: Convert to fraction form
414,696.68/622,143.76 = 134,213.94/x - Step 3: Cross multiply
414,696.68x = 622,143.76 × 134,213.94 - Step 4: Simplify right side
414,696.68x = 83,500,365,276.01 - Step 5: Solve for x
x = 83,500,365,276.01/414,696.68 - Step 6: Final answer
x = 201,352.87
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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.