Finding the Fourth Proportional to 269,963.07, 372,551.84 and 149,107.42
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Solution
The fourth proportional to 269,963.07, 372,551.84 and 149,107.42 is: 205,769.79
Step by Step Solution
- Step 1: Write the proportion equation
269,963.07 : 372,551.84 = 149,107.42 : x - Step 2: Convert to fraction form
269,963.07/372,551.84 = 149,107.42/x - Step 3: Cross multiply
269,963.07x = 372,551.84 × 149,107.42 - Step 4: Simplify right side
269,963.07x = 55,550,243,678.65 - Step 5: Solve for x
x = 55,550,243,678.65/269,963.07 - Step 6: Final answer
x = 205,769.79
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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.