Finding the Fourth Proportional to 488,636.58, 674,306.73 and 273,785.70
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Solution
The fourth proportional to 488,636.58, 674,306.73 and 273,785.70 is: 377,817.68
Step by Step Solution
- Step 1: Write the proportion equation
488,636.58 : 674,306.73 = 273,785.70 : x - Step 2: Convert to fraction form
488,636.58/674,306.73 = 273,785.70/x - Step 3: Cross multiply
488,636.58x = 674,306.73 × 273,785.70 - Step 4: Simplify right side
488,636.58x = 184,615,540,087.76 - Step 5: Solve for x
x = 184,615,540,087.76/488,636.58 - Step 6: Final answer
x = 377,817.68
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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.