Finding the Fourth Proportional to 328,230.74, 491,821.14 and 296,737.94
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Solution
The fourth proportional to 328,230.74, 491,821.14 and 296,737.94 is: 444,632.31
Step by Step Solution
- Step 1: Write the proportion equation
328,230.74 : 491,821.14 = 296,737.94 : x - Step 2: Convert to fraction form
328,230.74/491,821.14 = 296,737.94/x - Step 3: Cross multiply
328,230.74x = 491,821.14 × 296,737.94 - Step 4: Simplify right side
328,230.74x = 145,941,991,932.05 - Step 5: Solve for x
x = 145,941,991,932.05/328,230.74 - Step 6: Final answer
x = 444,632.31
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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.