Finding the Fourth Proportional to 250,107.99, 375,198.06 and 81,586.63
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Solution
The fourth proportional to 250,107.99, 375,198.06 and 81,586.63 is: 122,391.71
Step by Step Solution
- Step 1: Write the proportion equation
250,107.99 : 375,198.06 = 81,586.63 : x - Step 2: Convert to fraction form
250,107.99/375,198.06 = 81,586.63/x - Step 3: Cross multiply
250,107.99x = 375,198.06 × 81,586.63 - Step 4: Simplify right side
250,107.99x = 30,611,145,297.94 - Step 5: Solve for x
x = 30,611,145,297.94/250,107.99 - Step 6: Final answer
x = 122,391.71
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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.