Finding the Fourth Proportional to 489,693.07, 675,809.91 and 271,912.99
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Solution
The fourth proportional to 489,693.07, 675,809.91 and 271,912.99 is: 375,258.51
Step by Step Solution
- Step 1: Write the proportion equation
489,693.07 : 675,809.91 = 271,912.99 : x - Step 2: Convert to fraction form
489,693.07/675,809.91 = 271,912.99/x - Step 3: Cross multiply
489,693.07x = 675,809.91 × 271,912.99 - Step 4: Simplify right side
489,693.07x = 183,761,488,561.12 - Step 5: Solve for x
x = 183,761,488,561.12/489,693.07 - Step 6: Final answer
x = 375,258.51
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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.