Finding the Fourth Proportional to 252,736.41, 378,977.83 and 84,197.49
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Solution
The fourth proportional to 252,736.41, 378,977.83 and 84,197.49 is: 126,254.00
Step by Step Solution
- Step 1: Write the proportion equation
252,736.41 : 378,977.83 = 84,197.49 : x - Step 2: Convert to fraction form
252,736.41/378,977.83 = 84,197.49/x - Step 3: Cross multiply
252,736.41x = 378,977.83 × 84,197.49 - Step 4: Simplify right side
252,736.41x = 31,908,982,051.65 - Step 5: Solve for x
x = 31,908,982,051.65/252,736.41 - Step 6: Final answer
x = 126,254.00
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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.