Finding the Fourth Proportional to 488,780.93, 674,544.63 and 273,989.99
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Solution
The fourth proportional to 488,780.93, 674,544.63 and 273,989.99 is: 378,121.29
Step by Step Solution
- Step 1: Write the proportion equation
488,780.93 : 674,544.63 = 273,989.99 : x - Step 2: Convert to fraction form
488,780.93/674,544.63 = 273,989.99/x - Step 3: Cross multiply
488,780.93x = 674,544.63 × 273,989.99 - Step 4: Simplify right side
488,780.93x = 184,818,471,685.58 - Step 5: Solve for x
x = 184,818,471,685.58/488,780.93 - Step 6: Final answer
x = 378,121.29
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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.