Finding the Fourth Proportional to 488,860.11, 674,614.17 and 274,014.09
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Solution
The fourth proportional to 488,860.11, 674,614.17 and 274,014.09 is: 378,132.28
Step by Step Solution
- Step 1: Write the proportion equation
488,860.11 : 674,614.17 = 274,014.09 : x - Step 2: Convert to fraction form
488,860.11/674,614.17 = 274,014.09/x - Step 3: Cross multiply
488,860.11x = 674,614.17 × 274,014.09 - Step 4: Simplify right side
488,860.11x = 184,853,787,893.66 - Step 5: Solve for x
x = 184,853,787,893.66/488,860.11 - Step 6: Final answer
x = 378,132.28
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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.