Finding the Fourth Proportional to 171,243.08, 236,170.36 and 103,245.12
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Solution
The fourth proportional to 171,243.08, 236,170.36 and 103,245.12 is: 142,390.79
Step by Step Solution
- Step 1: Write the proportion equation
171,243.08 : 236,170.36 = 103,245.12 : x - Step 2: Convert to fraction form
171,243.08/236,170.36 = 103,245.12/x - Step 3: Cross multiply
171,243.08x = 236,170.36 × 103,245.12 - Step 4: Simplify right side
171,243.08x = 24,383,437,158.64 - Step 5: Solve for x
x = 24,383,437,158.64/171,243.08 - Step 6: Final answer
x = 142,390.79
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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.