Finding the Fourth Proportional to 486,615.70, 671,531.11 and 271,763.91
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Solution
The fourth proportional to 486,615.70, 671,531.11 and 271,763.91 is: 375,035.00
Step by Step Solution
- Step 1: Write the proportion equation
486,615.70 : 671,531.11 = 271,763.91 : x - Step 2: Convert to fraction form
486,615.70/671,531.11 = 271,763.91/x - Step 3: Cross multiply
486,615.70x = 671,531.11 × 271,763.91 - Step 4: Simplify right side
486,615.70x = 182,497,919,460.83 - Step 5: Solve for x
x = 182,497,919,460.83/486,615.70 - Step 6: Final answer
x = 375,035.00
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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.