Finding the Fourth Proportional to 486,795.44, 671,729.40 and 271,930.88
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Solution
The fourth proportional to 486,795.44, 671,729.40 and 271,930.88 is: 375,237.63
Step by Step Solution
- Step 1: Write the proportion equation
486,795.44 : 671,729.40 = 271,930.88 : x - Step 2: Convert to fraction form
486,795.44/671,729.40 = 271,930.88/x - Step 3: Cross multiply
486,795.44x = 671,729.40 × 271,930.88 - Step 4: Simplify right side
486,795.44x = 182,663,966,863.87 - Step 5: Solve for x
x = 182,663,966,863.87/486,795.44 - Step 6: Final answer
x = 375,237.63
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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.