Finding the Fourth Proportional to 106,147.05, 159,222.17 and 27,259.53
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Solution
The fourth proportional to 106,147.05, 159,222.17 and 27,259.53 is: 40,889.70
Step by Step Solution
- Step 1: Write the proportion equation
106,147.05 : 159,222.17 = 27,259.53 : x - Step 2: Convert to fraction form
106,147.05/159,222.17 = 27,259.53/x - Step 3: Cross multiply
106,147.05x = 159,222.17 × 27,259.53 - Step 4: Simplify right side
106,147.05x = 4,340,321,519.78 - Step 5: Solve for x
x = 4,340,321,519.78/106,147.05 - Step 6: Final answer
x = 40,889.70
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1.5x scale
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.