Finding the Fourth Proportional to 297,622.07, 410,721.48 and 161,658.68
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Solution
The fourth proportional to 297,622.07, 410,721.48 and 161,658.68 is: 223,090.62
Step by Step Solution
- Step 1: Write the proportion equation
297,622.07 : 410,721.48 = 161,658.68 : x - Step 2: Convert to fraction form
297,622.07/410,721.48 = 161,658.68/x - Step 3: Cross multiply
297,622.07x = 410,721.48 × 161,658.68 - Step 4: Simplify right side
297,622.07x = 66,396,691,496.15 - Step 5: Solve for x
x = 66,396,691,496.15/297,622.07 - Step 6: Final answer
x = 223,090.62
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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.