Finding the Fourth Proportional to 84,204.15, 116,198.83 and 50,195.09
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Solution
The fourth proportional to 84,204.15, 116,198.83 and 50,195.09 is: 69,267.50
Step by Step Solution
- Step 1: Write the proportion equation
84,204.15 : 116,198.83 = 50,195.09 : x - Step 2: Convert to fraction form
84,204.15/116,198.83 = 50,195.09/x - Step 3: Cross multiply
84,204.15x = 116,198.83 × 50,195.09 - Step 4: Simplify right side
84,204.15x = 5,832,610,729.74 - Step 5: Solve for x
x = 5,832,610,729.74/84,204.15 - Step 6: Final answer
x = 69,267.50
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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.