Finding the Fourth Proportional to 282,148.98, 389,365.50 and 161,292.84
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Solution
The fourth proportional to 282,148.98, 389,365.50 and 161,292.84 is: 222,584.07
Step by Step Solution
- Step 1: Write the proportion equation
282,148.98 : 389,365.50 = 161,292.84 : x - Step 2: Convert to fraction form
282,148.98/389,365.50 = 161,292.84/x - Step 3: Cross multiply
282,148.98x = 389,365.50 × 161,292.84 - Step 4: Simplify right side
282,148.98x = 62,801,867,293.02 - Step 5: Solve for x
x = 62,801,867,293.02/282,148.98 - Step 6: Final answer
x = 222,584.07
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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.