Finding the Fourth Proportional to 214,163.74, 321,246.35 and 54,239.63
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Solution
The fourth proportional to 214,163.74, 321,246.35 and 54,239.63 is: 81,359.63
Step by Step Solution
- Step 1: Write the proportion equation
214,163.74 : 321,246.35 = 54,239.63 : x - Step 2: Convert to fraction form
214,163.74/321,246.35 = 54,239.63/x - Step 3: Cross multiply
214,163.74x = 321,246.35 × 54,239.63 - Step 4: Simplify right side
214,163.74x = 17,424,282,891.65 - Step 5: Solve for x
x = 17,424,282,891.65/214,163.74 - Step 6: Final answer
x = 81,359.63
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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.