Finding the Fourth Proportional to 250,431.75, 375,664.77 and 100,672.07
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Solution
The fourth proportional to 250,431.75, 375,664.77 and 100,672.07 is: 151,014.99
Step by Step Solution
- Step 1: Write the proportion equation
250,431.75 : 375,664.77 = 100,672.07 : x - Step 2: Convert to fraction form
250,431.75/375,664.77 = 100,672.07/x - Step 3: Cross multiply
250,431.75x = 375,664.77 × 100,672.07 - Step 4: Simplify right side
250,431.75x = 37,818,948,143.65 - Step 5: Solve for x
x = 37,818,948,143.65/250,431.75 - Step 6: Final answer
x = 151,014.99
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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.