Finding the Fourth Proportional to 239,887.28, 331,072.52 and 199,529.84
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Solution
The fourth proportional to 239,887.28, 331,072.52 and 199,529.84 is: 275,374.53
Step by Step Solution
- Step 1: Write the proportion equation
239,887.28 : 331,072.52 = 199,529.84 : x - Step 2: Convert to fraction form
239,887.28/331,072.52 = 199,529.84/x - Step 3: Cross multiply
239,887.28x = 331,072.52 × 199,529.84 - Step 4: Simplify right side
239,887.28x = 66,058,846,944.00 - Step 5: Solve for x
x = 66,058,846,944.00/239,887.28 - Step 6: Final answer
x = 275,374.53
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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.