Finding the Fourth Proportional to 494,687.52, 681,911.28 and 303,346.08
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Solution
The fourth proportional to 494,687.52, 681,911.28 and 303,346.08 is: 418,153.09
Step by Step Solution
- Step 1: Write the proportion equation
494,687.52 : 681,911.28 = 303,346.08 : x - Step 2: Convert to fraction form
494,687.52/681,911.28 = 303,346.08/x - Step 3: Cross multiply
494,687.52x = 681,911.28 × 303,346.08 - Step 4: Simplify right side
494,687.52x = 206,855,113,695.78 - Step 5: Solve for x
x = 206,855,113,695.78/494,687.52 - Step 6: Final answer
x = 418,153.09
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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.