Finding the Fourth Proportional to 146,908.08, 202,721.13 and 86,469.12
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Solution
The fourth proportional to 146,908.08, 202,721.13 and 86,469.12 is: 119,320.31
Step by Step Solution
- Step 1: Write the proportion equation
146,908.08 : 202,721.13 = 86,469.12 : x - Step 2: Convert to fraction form
146,908.08/202,721.13 = 86,469.12/x - Step 3: Cross multiply
146,908.08x = 202,721.13 × 86,469.12 - Step 4: Simplify right side
146,908.08x = 17,529,117,716.51 - Step 5: Solve for x
x = 17,529,117,716.51/146,908.08 - Step 6: Final answer
x = 119,320.31
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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.