Finding the Fourth Proportional to 150,997.68, 208,359.54 and 120,771.99
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Solution
The fourth proportional to 150,997.68, 208,359.54 and 120,771.99 is: 166,651.54
Step by Step Solution
- Step 1: Write the proportion equation
150,997.68 : 208,359.54 = 120,771.99 : x - Step 2: Convert to fraction form
150,997.68/208,359.54 = 120,771.99/x - Step 3: Cross multiply
150,997.68x = 208,359.54 × 120,771.99 - Step 4: Simplify right side
150,997.68x = 25,163,996,281.28 - Step 5: Solve for x
x = 25,163,996,281.28/150,997.68 - Step 6: Final answer
x = 166,651.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.