Finding the Fourth Proportional to 488,939.84, 674,765.36 and 274,149.04
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Solution
The fourth proportional to 488,939.84, 674,765.36 and 274,149.04 is: 378,341.59
Step by Step Solution
- Step 1: Write the proportion equation
488,939.84 : 674,765.36 = 274,149.04 : x - Step 2: Convert to fraction form
488,939.84/674,765.36 = 274,149.04/x - Step 3: Cross multiply
488,939.84x = 674,765.36 × 274,149.04 - Step 4: Simplify right side
488,939.84x = 184,986,275,669.25 - Step 5: Solve for x
x = 184,986,275,669.25/488,939.84 - Step 6: Final answer
x = 378,341.59
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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.