Finding the Fourth Proportional to 488,907.83, 674,723.99 and 274,047.95
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Solution
The fourth proportional to 488,907.83, 674,723.99 and 274,047.95 is: 378,203.65
Step by Step Solution
- Step 1: Write the proportion equation
488,907.83 : 674,723.99 = 274,047.95 : x - Step 2: Convert to fraction form
488,907.83/674,723.99 = 274,047.95/x - Step 3: Cross multiply
488,907.83x = 674,723.99 × 274,047.95 - Step 4: Simplify right side
488,907.83x = 184,906,726,275.32 - Step 5: Solve for x
x = 184,906,726,275.32/488,907.83 - Step 6: Final answer
x = 378,203.65
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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.