Finding the Fourth Proportional to 282,390.26, 389,602.58 and 161,445.92
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Solution
The fourth proportional to 282,390.26, 389,602.58 and 161,445.92 is: 222,740.49
Step by Step Solution
- Step 1: Write the proportion equation
282,390.26 : 389,602.58 = 161,445.92 : x - Step 2: Convert to fraction form
282,390.26/389,602.58 = 161,445.92/x - Step 3: Cross multiply
282,390.26x = 389,602.58 × 161,445.92 - Step 4: Simplify right side
282,390.26x = 62,899,744,207.23 - Step 5: Solve for x
x = 62,899,744,207.23/282,390.26 - Step 6: Final answer
x = 222,740.49
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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.