Finding the Fourth Proportional to 486,461.14, 671,309.84 and 271,604.50
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Solution
The fourth proportional to 486,461.14, 671,309.84 and 271,604.50 is: 374,810.56
Step by Step Solution
- Step 1: Write the proportion equation
486,461.14 : 671,309.84 = 271,604.50 : x - Step 2: Convert to fraction form
486,461.14/671,309.84 = 271,604.50/x - Step 3: Cross multiply
486,461.14x = 671,309.84 × 271,604.50 - Step 4: Simplify right side
486,461.14x = 182,330,773,438.28 - Step 5: Solve for x
x = 182,330,773,438.28/486,461.14 - Step 6: Final answer
x = 374,810.56
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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.