Finding the Fourth Proportional to 548,647.46, 757,102.92 and 306,883.28
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Solution
The fourth proportional to 548,647.46, 757,102.92 and 306,883.28 is: 423,481.82
Step by Step Solution
- Step 1: Write the proportion equation
548,647.46 : 757,102.92 = 306,883.28 : x - Step 2: Convert to fraction form
548,647.46/757,102.92 = 306,883.28/x - Step 3: Cross multiply
548,647.46x = 757,102.92 × 306,883.28 - Step 4: Simplify right side
548,647.46x = 232,342,227,387.18 - Step 5: Solve for x
x = 232,342,227,387.18/548,647.46 - Step 6: Final answer
x = 423,481.82
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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.