Finding the Fourth Proportional to 254,463.36, 381,621.60 and 102,660.48
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Solution
The fourth proportional to 254,463.36, 381,621.60 and 102,660.48 is: 153,961.09
Step by Step Solution
- Step 1: Write the proportion equation
254,463.36 : 381,621.60 = 102,660.48 : x - Step 2: Convert to fraction form
254,463.36/381,621.60 = 102,660.48/x - Step 3: Cross multiply
254,463.36x = 381,621.60 × 102,660.48 - Step 4: Simplify right side
254,463.36x = 39,177,456,634.37 - Step 5: Solve for x
x = 39,177,456,634.37/254,463.36 - Step 6: Final answer
x = 153,961.09
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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.