Finding the Fourth Proportional to 282,140.02, 389,353.26 and 161,283.96
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Solution
The fourth proportional to 282,140.02, 389,353.26 and 161,283.96 is: 222,571.88
Step by Step Solution
- Step 1: Write the proportion equation
282,140.02 : 389,353.26 = 161,283.96 : x - Step 2: Convert to fraction form
282,140.02/389,353.26 = 161,283.96/x - Step 3: Cross multiply
282,140.02x = 389,353.26 × 161,283.96 - Step 4: Simplify right side
282,140.02x = 62,796,435,611.71 - Step 5: Solve for x
x = 62,796,435,611.71/282,140.02 - Step 6: Final answer
x = 222,571.88
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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.