Finding the Fourth Proportional to 207,625.07, 311,479.23 and 74,515.75
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Solution
The fourth proportional to 207,625.07, 311,479.23 and 74,515.75 is: 111,788.56
Step by Step Solution
- Step 1: Write the proportion equation
207,625.07 : 311,479.23 = 74,515.75 : x - Step 2: Convert to fraction form
207,625.07/311,479.23 = 74,515.75/x - Step 3: Cross multiply
207,625.07x = 311,479.23 × 74,515.75 - Step 4: Simplify right side
207,625.07x = 23,210,108,432.87 - Step 5: Solve for x
x = 23,210,108,432.87/207,625.07 - Step 6: Final answer
x = 111,788.56
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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.