Finding the Fourth Proportional to 252,398.98, 378,282.76 and 126,074.49
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Solution
The fourth proportional to 252,398.98, 378,282.76 and 126,074.49 is: 188,954.03
Step by Step Solution
- Step 1: Write the proportion equation
252,398.98 : 378,282.76 = 126,074.49 : x - Step 2: Convert to fraction form
252,398.98/378,282.76 = 126,074.49/x - Step 3: Cross multiply
252,398.98x = 378,282.76 × 126,074.49 - Step 4: Simplify right side
252,398.98x = 47,691,804,309.05 - Step 5: Solve for x
x = 47,691,804,309.05/252,398.98 - Step 6: Final answer
x = 188,954.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.