Finding the Fourth Proportional to 289,134.58, 434,198.19 and 177,470.50
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Solution
The fourth proportional to 289,134.58, 434,198.19 and 177,470.50 is: 266,510.39
Step by Step Solution
- Step 1: Write the proportion equation
289,134.58 : 434,198.19 = 177,470.50 : x - Step 2: Convert to fraction form
289,134.58/434,198.19 = 177,470.50/x - Step 3: Cross multiply
289,134.58x = 434,198.19 × 177,470.50 - Step 4: Simplify right side
289,134.58x = 77,057,369,878.40 - Step 5: Solve for x
x = 77,057,369,878.40/289,134.58 - Step 6: Final answer
x = 266,510.39
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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.