Finding the Fourth Proportional to 488,936.86, 674,730.70 and 274,076.96
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Solution
The fourth proportional to 488,936.86, 674,730.70 and 274,076.96 is: 378,224.99
Step by Step Solution
- Step 1: Write the proportion equation
488,936.86 : 674,730.70 = 274,076.96 : x - Step 2: Convert to fraction form
488,936.86/674,730.70 = 274,076.96/x - Step 3: Cross multiply
488,936.86x = 674,730.70 × 274,076.96 - Step 4: Simplify right side
488,936.86x = 184,928,139,074.67 - Step 5: Solve for x
x = 184,928,139,074.67/488,936.86 - Step 6: Final answer
x = 378,224.99
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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.