Finding the Fourth Proportional to 613,286.54, 919,865.09 and 164,052.75
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Solution
The fourth proportional to 613,286.54, 919,865.09 and 164,052.75 is: 246,061.82
Step by Step Solution
- Step 1: Write the proportion equation
613,286.54 : 919,865.09 = 164,052.75 : x - Step 2: Convert to fraction form
613,286.54/919,865.09 = 164,052.75/x - Step 3: Cross multiply
613,286.54x = 919,865.09 × 164,052.75 - Step 4: Simplify right side
613,286.54x = 150,906,398,053.63 - Step 5: Solve for x
x = 150,906,398,053.63/613,286.54 - Step 6: Final answer
x = 246,061.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.