Finding the Fourth Proportional to 434,562.20, 651,843.30 and 154,107.80
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Solution
The fourth proportional to 434,562.20, 651,843.30 and 154,107.80 is: 231,161.70
Step by Step Solution
- Step 1: Write the proportion equation
434,562.20 : 651,843.30 = 154,107.80 : x - Step 2: Convert to fraction form
434,562.20/651,843.30 = 154,107.80/x - Step 3: Cross multiply
434,562.20x = 651,843.30 × 154,107.80 - Step 4: Simplify right side
434,562.20x = 100,454,136,907.74 - Step 5: Solve for x
x = 100,454,136,907.74/434,562.20 - Step 6: Final answer
x = 231,161.70
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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.