Finding the Fourth Proportional to 239,311.56, 330,252.16 and 131,885.44
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Solution
The fourth proportional to 239,311.56, 330,252.16 and 131,885.44 is: 182,003.12
Step by Step Solution
- Step 1: Write the proportion equation
239,311.56 : 330,252.16 = 131,885.44 : x - Step 2: Convert to fraction form
239,311.56/330,252.16 = 131,885.44/x - Step 3: Cross multiply
239,311.56x = 330,252.16 × 131,885.44 - Step 4: Simplify right side
239,311.56x = 43,555,451,432.55 - Step 5: Solve for x
x = 43,555,451,432.55/239,311.56 - Step 6: Final answer
x = 182,003.12
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1.5x scale
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.