Finding the Fourth Proportional to 181,278.28, 271,924.26 and 68,937.56
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Solution
The fourth proportional to 181,278.28, 271,924.26 and 68,937.56 is: 103,408.94
Step by Step Solution
- Step 1: Write the proportion equation
181,278.28 : 271,924.26 = 68,937.56 : x - Step 2: Convert to fraction form
181,278.28/271,924.26 = 68,937.56/x - Step 3: Cross multiply
181,278.28x = 271,924.26 × 68,937.56 - Step 4: Simplify right side
181,278.28x = 18,745,794,989.21 - Step 5: Solve for x
x = 18,745,794,989.21/181,278.28 - Step 6: Final answer
x = 103,408.94
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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.