Finding the Fourth Proportional to 144,267.41, 199,144.56 and 129,133.37
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Solution
The fourth proportional to 144,267.41, 199,144.56 and 129,133.37 is: 178,253.75
Step by Step Solution
- Step 1: Write the proportion equation
144,267.41 : 199,144.56 = 129,133.37 : x - Step 2: Convert to fraction form
144,267.41/199,144.56 = 129,133.37/x - Step 3: Cross multiply
144,267.41x = 199,144.56 × 129,133.37 - Step 4: Simplify right side
144,267.41x = 25,716,206,508.58 - Step 5: Solve for x
x = 25,716,206,508.58/144,267.41 - Step 6: Final answer
x = 178,253.75
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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.