Finding the Fourth Proportional to 282,149.98, 389,366.88 and 161,293.84
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Solution
The fourth proportional to 282,149.98, 389,366.88 and 161,293.84 is: 222,585.45
Step by Step Solution
- Step 1: Write the proportion equation
282,149.98 : 389,366.88 = 161,293.84 : x - Step 2: Convert to fraction form
282,149.98/389,366.88 = 161,293.84/x - Step 3: Cross multiply
282,149.98x = 389,366.88 × 161,293.84 - Step 4: Simplify right side
282,149.98x = 62,802,479,244.02 - Step 5: Solve for x
x = 62,802,479,244.02/282,149.98 - Step 6: Final answer
x = 222,585.45
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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.