Finding the Fourth Proportional to 150,242.85, 225,264.24 and 90,135.99
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Solution
The fourth proportional to 150,242.85, 225,264.24 and 90,135.99 is: 135,143.97
Step by Step Solution
- Step 1: Write the proportion equation
150,242.85 : 225,264.24 = 90,135.99 : x - Step 2: Convert to fraction form
150,242.85/225,264.24 = 90,135.99/x - Step 3: Cross multiply
150,242.85x = 225,264.24 × 90,135.99 - Step 4: Simplify right side
150,242.85x = 20,304,415,284.00 - Step 5: Solve for x
x = 20,304,415,284.00/150,242.85 - Step 6: Final answer
x = 135,143.97
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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.