Finding the Fourth Proportional to 282,226.28, 389,471.76 and 161,369.84
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Solution
The fourth proportional to 282,226.28, 389,471.76 and 161,369.84 is: 222,690.09
Step by Step Solution
- Step 1: Write the proportion equation
282,226.28 : 389,471.76 = 161,369.84 : x - Step 2: Convert to fraction form
282,226.28/389,471.76 = 161,369.84/x - Step 3: Cross multiply
282,226.28x = 389,471.76 × 161,369.84 - Step 4: Simplify right side
282,226.28x = 62,848,995,595.72 - Step 5: Solve for x
x = 62,848,995,595.72/282,226.28 - Step 6: Final answer
x = 222,690.09
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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.