Finding the Fourth Proportional to 293,626.36, 405,232.79 and 164,586.73
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Solution
The fourth proportional to 293,626.36, 405,232.79 and 164,586.73 is: 227,145.61
Step by Step Solution
- Step 1: Write the proportion equation
293,626.36 : 405,232.79 = 164,586.73 : x - Step 2: Convert to fraction form
293,626.36/405,232.79 = 164,586.73/x - Step 3: Cross multiply
293,626.36x = 405,232.79 × 164,586.73 - Step 4: Simplify right side
293,626.36x = 66,695,936,945.78 - Step 5: Solve for x
x = 66,695,936,945.78/293,626.36 - Step 6: Final answer
x = 227,145.61
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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.