Finding the Fourth Proportional to 188,487.23, 260,115.02 and 102,446.19
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Solution
The fourth proportional to 188,487.23, 260,115.02 and 102,446.19 is: 141,377.17
Step by Step Solution
- Step 1: Write the proportion equation
188,487.23 : 260,115.02 = 102,446.19 : x - Step 2: Convert to fraction form
188,487.23/260,115.02 = 102,446.19/x - Step 3: Cross multiply
188,487.23x = 260,115.02 × 102,446.19 - Step 4: Simplify right side
188,487.23x = 26,647,790,947.97 - Step 5: Solve for x
x = 26,647,790,947.97/188,487.23 - Step 6: Final answer
x = 141,377.17
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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.