Finding the Fourth Proportional to 401,771.26, 554,460.28 and 220,489.70
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Solution
The fourth proportional to 401,771.26, 554,460.28 and 220,489.70 is: 304,284.53
Step by Step Solution
- Step 1: Write the proportion equation
401,771.26 : 554,460.28 = 220,489.70 : x - Step 2: Convert to fraction form
401,771.26/554,460.28 = 220,489.70/x - Step 3: Cross multiply
401,771.26x = 554,460.28 × 220,489.70 - Step 4: Simplify right side
401,771.26x = 122,252,780,799.12 - Step 5: Solve for x
x = 122,252,780,799.12/401,771.26 - Step 6: Final answer
x = 304,284.53
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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.