Finding the Fourth Proportional to 226,728.36, 340,108.86 and 68,956.26
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Solution
The fourth proportional to 226,728.36, 340,108.86 and 68,956.26 is: 103,439.35
Step by Step Solution
- Step 1: Write the proportion equation
226,728.36 : 340,108.86 = 68,956.26 : x - Step 2: Convert to fraction form
226,728.36/340,108.86 = 68,956.26/x - Step 3: Cross multiply
226,728.36x = 340,108.86 × 68,956.26 - Step 4: Simplify right side
226,728.36x = 23,452,634,978.46 - Step 5: Solve for x
x = 23,452,634,978.46/226,728.36 - Step 6: Final answer
x = 103,439.35
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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.