Finding the Fourth Proportional to 106,988.63, 160,450.01 and 40,460.09
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Solution
The fourth proportional to 106,988.63, 160,450.01 and 40,460.09 is: 60,677.68
Step by Step Solution
- Step 1: Write the proportion equation
106,988.63 : 160,450.01 = 40,460.09 : x - Step 2: Convert to fraction form
106,988.63/160,450.01 = 40,460.09/x - Step 3: Cross multiply
106,988.63x = 160,450.01 × 40,460.09 - Step 4: Simplify right side
106,988.63x = 6,491,821,642.80 - Step 5: Solve for x
x = 6,491,821,642.80/106,988.63 - Step 6: Final answer
x = 60,677.68
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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.