Finding the Fourth Proportional to 213,729.36, 294,955.20 and 118,234.44
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Solution
The fourth proportional to 213,729.36, 294,955.20 and 118,234.44 is: 163,168.33
Step by Step Solution
- Step 1: Write the proportion equation
213,729.36 : 294,955.20 = 118,234.44 : x - Step 2: Convert to fraction form
213,729.36/294,955.20 = 118,234.44/x - Step 3: Cross multiply
213,729.36x = 294,955.20 × 118,234.44 - Step 4: Simplify right side
213,729.36x = 34,873,862,897.09 - Step 5: Solve for x
x = 34,873,862,897.09/213,729.36 - Step 6: Final answer
x = 163,168.33
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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.