Finding the Fourth Proportional to 287,889.76, 431,889.99 and 110,382.92
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Solution
The fourth proportional to 287,889.76, 431,889.99 and 110,382.92 is: 165,595.60
Step by Step Solution
- Step 1: Write the proportion equation
287,889.76 : 431,889.99 = 110,382.92 : x - Step 2: Convert to fraction form
287,889.76/431,889.99 = 110,382.92/x - Step 3: Cross multiply
287,889.76x = 431,889.99 × 110,382.92 - Step 4: Simplify right side
287,889.76x = 47,673,278,214.97 - Step 5: Solve for x
x = 47,673,278,214.97/287,889.76 - Step 6: Final answer
x = 165,595.60
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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.