Finding the Fourth Proportional to 296,821.80, 445,232.70 and 75,205.80
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Solution
The fourth proportional to 296,821.80, 445,232.70 and 75,205.80 is: 112,808.70
Step by Step Solution
- Step 1: Write the proportion equation
296,821.80 : 445,232.70 = 75,205.80 : x - Step 2: Convert to fraction form
296,821.80/445,232.70 = 75,205.80/x - Step 3: Cross multiply
296,821.80x = 445,232.70 × 75,205.80 - Step 4: Simplify right side
296,821.80x = 33,484,081,389.66 - Step 5: Solve for x
x = 33,484,081,389.66/296,821.80 - Step 6: Final answer
x = 112,808.70
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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.