Finding the Fourth Proportional to 282,493.84, 389,744.94 and 161,591.08
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Solution
The fourth proportional to 282,493.84, 389,744.94 and 161,591.08 is: 222,940.46
Step by Step Solution
- Step 1: Write the proportion equation
282,493.84 : 389,744.94 = 161,591.08 : x - Step 2: Convert to fraction form
282,493.84/389,744.94 = 161,591.08/x - Step 3: Cross multiply
282,493.84x = 389,744.94 × 161,591.08 - Step 4: Simplify right side
282,493.84x = 62,979,305,779.14 - Step 5: Solve for x
x = 62,979,305,779.14/282,493.84 - Step 6: Final answer
x = 222,940.46
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1.5x scale
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.