Finding the Fourth Proportional to 489,491.67, 675,568.86 and 271,750.32
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Solution
The fourth proportional to 489,491.67, 675,568.86 and 271,750.32 is: 375,054.50
Step by Step Solution
- Step 1: Write the proportion equation
489,491.67 : 675,568.86 = 271,750.32 : x - Step 2: Convert to fraction form
489,491.67/675,568.86 = 271,750.32/x - Step 3: Cross multiply
489,491.67x = 675,568.86 × 271,750.32 - Step 4: Simplify right side
489,491.67x = 183,586,053,887.04 - Step 5: Solve for x
x = 183,586,053,887.04/489,491.67 - Step 6: Final answer
x = 375,054.50
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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.