Finding the Fourth Proportional to 150,522.64, 225,755.22 and 75,621.99
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Solution
The fourth proportional to 150,522.64, 225,755.22 and 75,621.99 is: 113,418.55
Step by Step Solution
- Step 1: Write the proportion equation
150,522.64 : 225,755.22 = 75,621.99 : x - Step 2: Convert to fraction form
150,522.64/225,755.22 = 75,621.99/x - Step 3: Cross multiply
150,522.64x = 225,755.22 × 75,621.99 - Step 4: Simplify right side
150,522.64x = 17,072,058,989.29 - Step 5: Solve for x
x = 17,072,058,989.29/150,522.64 - Step 6: Final answer
x = 113,418.55
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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.