Finding the Fourth Proportional to 490,051.26, 676,304.28 and 272,286.18
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Solution
The fourth proportional to 490,051.26, 676,304.28 and 272,286.18 is: 375,773.56
Step by Step Solution
- Step 1: Write the proportion equation
490,051.26 : 676,304.28 = 272,286.18 : x - Step 2: Convert to fraction form
490,051.26/676,304.28 = 272,286.18/x - Step 3: Cross multiply
490,051.26x = 676,304.28 × 272,286.18 - Step 4: Simplify right side
490,051.26x = 184,148,308,918.85 - Step 5: Solve for x
x = 184,148,308,918.85/490,051.26 - Step 6: Final answer
x = 375,773.56
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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.