Finding the Fourth Proportional to 131,928.24, 197,932.68 and 41,965.68
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Solution
The fourth proportional to 131,928.24, 197,932.68 and 41,965.68 is: 62,961.35
Step by Step Solution
- Step 1: Write the proportion equation
131,928.24 : 197,932.68 = 41,965.68 : x - Step 2: Convert to fraction form
131,928.24/197,932.68 = 41,965.68/x - Step 3: Cross multiply
131,928.24x = 197,932.68 × 41,965.68 - Step 4: Simplify right side
131,928.24x = 8,306,379,510.42 - Step 5: Solve for x
x = 8,306,379,510.42/131,928.24 - Step 6: Final answer
x = 62,961.35
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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.