Finding the Fourth Proportional to 189,394.64, 261,379.35 and 108,850.26
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Solution
The fourth proportional to 189,394.64, 261,379.35 and 108,850.26 is: 150,221.83
Step by Step Solution
- Step 1: Write the proportion equation
189,394.64 : 261,379.35 = 108,850.26 : x - Step 2: Convert to fraction form
189,394.64/261,379.35 = 108,850.26/x - Step 3: Cross multiply
189,394.64x = 261,379.35 × 108,850.26 - Step 4: Simplify right side
189,394.64x = 28,451,210,206.13 - Step 5: Solve for x
x = 28,451,210,206.13/189,394.64 - Step 6: Final answer
x = 150,221.83
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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.