Finding the Fourth Proportional to 146,448.07, 202,107.05 and 82,791.79
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Solution
The fourth proportional to 146,448.07, 202,107.05 and 82,791.79 is: 114,257.59
Step by Step Solution
- Step 1: Write the proportion equation
146,448.07 : 202,107.05 = 82,791.79 : x - Step 2: Convert to fraction form
146,448.07/202,107.05 = 82,791.79/x - Step 3: Cross multiply
146,448.07x = 202,107.05 × 82,791.79 - Step 4: Simplify right side
146,448.07x = 16,732,803,832.36 - Step 5: Solve for x
x = 16,732,803,832.36/146,448.07 - Step 6: Final answer
x = 114,257.59
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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.