Finding the Fourth Proportional to 486,707.31, 671,589.36 and 271,819.98
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Solution
The fourth proportional to 486,707.31, 671,589.36 and 271,819.98 is: 375,074.31
Step by Step Solution
- Step 1: Write the proportion equation
486,707.31 : 671,589.36 = 271,819.98 : x - Step 2: Convert to fraction form
486,707.31/671,589.36 = 271,819.98/x - Step 3: Cross multiply
486,707.31x = 671,589.36 × 271,819.98 - Step 4: Simplify right side
486,707.31x = 182,551,406,403.41 - Step 5: Solve for x
x = 182,551,406,403.41/486,707.31 - Step 6: Final answer
x = 375,074.31
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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.