Finding the Fourth Proportional to 269,315.39, 403,983.30 and 100,817.99
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Solution
The fourth proportional to 269,315.39, 403,983.30 and 100,817.99 is: 151,230.81
Step by Step Solution
- Step 1: Write the proportion equation
269,315.39 : 403,983.30 = 100,817.99 : x - Step 2: Convert to fraction form
269,315.39/403,983.30 = 100,817.99/x - Step 3: Cross multiply
269,315.39x = 403,983.30 × 100,817.99 - Step 4: Simplify right side
269,315.39x = 40,728,784,299.57 - Step 5: Solve for x
x = 40,728,784,299.57/269,315.39 - Step 6: Final answer
x = 151,230.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.