Finding the Fourth Proportional to 280,591.97, 420,950.14 and 80,896.77
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Solution
The fourth proportional to 280,591.97, 420,950.14 and 80,896.77 is: 121,363.09
Step by Step Solution
- Step 1: Write the proportion equation
280,591.97 : 420,950.14 = 80,896.77 : x - Step 2: Convert to fraction form
280,591.97/420,950.14 = 80,896.77/x - Step 3: Cross multiply
280,591.97x = 420,950.14 × 80,896.77 - Step 4: Simplify right side
280,591.97x = 34,053,506,657.05 - Step 5: Solve for x
x = 34,053,506,657.05/280,591.97 - Step 6: Final answer
x = 121,363.09
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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.