Finding the Fourth Proportional to 226,273.62, 312,282.09 and 144,675.84
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Solution
The fourth proportional to 226,273.62, 312,282.09 and 144,675.84 is: 199,668.32
Step by Step Solution
- Step 1: Write the proportion equation
226,273.62 : 312,282.09 = 144,675.84 : x - Step 2: Convert to fraction form
226,273.62/312,282.09 = 144,675.84/x - Step 3: Cross multiply
226,273.62x = 312,282.09 × 144,675.84 - Step 4: Simplify right side
226,273.62x = 45,179,673,687.71 - Step 5: Solve for x
x = 45,179,673,687.71/226,273.62 - Step 6: Final answer
x = 199,668.32
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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.