Finding the Fourth Proportional to 297,644.84, 410,757.29 and 161,678.75
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Solution
The fourth proportional to 297,644.84, 410,757.29 and 161,678.75 is: 223,120.69
Step by Step Solution
- Step 1: Write the proportion equation
297,644.84 : 410,757.29 = 161,678.75 : x - Step 2: Convert to fraction form
297,644.84/410,757.29 = 161,678.75/x - Step 3: Cross multiply
297,644.84x = 410,757.29 × 161,678.75 - Step 4: Simplify right side
297,644.84x = 66,410,722,338.41 - Step 5: Solve for x
x = 66,410,722,338.41/297,644.84 - Step 6: Final answer
x = 223,120.69
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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.