Finding the Fourth Proportional to 236,133.09, 354,249.05 and 130,731.03
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Solution
The fourth proportional to 236,133.09, 354,249.05 and 130,731.03 is: 196,123.90
Step by Step Solution
- Step 1: Write the proportion equation
236,133.09 : 354,249.05 = 130,731.03 : x - Step 2: Convert to fraction form
236,133.09/354,249.05 = 130,731.03/x - Step 3: Cross multiply
236,133.09x = 354,249.05 × 130,731.03 - Step 4: Simplify right side
236,133.09x = 46,311,342,529.37 - Step 5: Solve for x
x = 46,311,342,529.37/236,133.09 - Step 6: Final answer
x = 196,123.90
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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.