Finding the Fourth Proportional to 485,930.34, 670,577.33 and 271,073.99
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Solution
The fourth proportional to 485,930.34, 670,577.33 and 271,073.99 is: 374,078.46
Step by Step Solution
- Step 1: Write the proportion equation
485,930.34 : 670,577.33 = 271,073.99 : x - Step 2: Convert to fraction form
485,930.34/670,577.33 = 271,073.99/x - Step 3: Cross multiply
485,930.34x = 670,577.33 × 271,073.99 - Step 4: Simplify right side
485,930.34x = 181,776,074,800.78 - Step 5: Solve for x
x = 181,776,074,800.78/485,930.34 - Step 6: Final answer
x = 374,078.46
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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.