Finding the Fourth Proportional to 289,882.20, 434,240.10 and 201,235.80
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Solution
The fourth proportional to 289,882.20, 434,240.10 and 201,235.80 is: 301,448.84
Step by Step Solution
- Step 1: Write the proportion equation
289,882.20 : 434,240.10 = 201,235.80 : x - Step 2: Convert to fraction form
289,882.20/434,240.10 = 201,235.80/x - Step 3: Cross multiply
289,882.20x = 434,240.10 × 201,235.80 - Step 4: Simplify right side
289,882.20x = 87,384,653,915.58 - Step 5: Solve for x
x = 87,384,653,915.58/289,882.20 - Step 6: Final answer
x = 301,448.84
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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.