Finding the Fourth Proportional to 393,720.94, 543,502.84 and 264,734.18
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Solution
The fourth proportional to 393,720.94, 543,502.84 and 264,734.18 is: 365,446.09
Step by Step Solution
- Step 1: Write the proportion equation
393,720.94 : 543,502.84 = 264,734.18 : x - Step 2: Convert to fraction form
393,720.94/543,502.84 = 264,734.18/x - Step 3: Cross multiply
393,720.94x = 543,502.84 × 264,734.18 - Step 4: Simplify right side
393,720.94x = 143,883,775,295.72 - Step 5: Solve for x
x = 143,883,775,295.72/393,720.94 - Step 6: Final answer
x = 365,446.09
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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.