Finding the Fourth Proportional to 131,759.68, 197,497.76 and 56,915.04
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Solution
The fourth proportional to 131,759.68, 197,497.76 and 56,915.04 is: 85,311.33
Step by Step Solution
- Step 1: Write the proportion equation
131,759.68 : 197,497.76 = 56,915.04 : x - Step 2: Convert to fraction form
131,759.68/197,497.76 = 56,915.04/x - Step 3: Cross multiply
131,759.68x = 197,497.76 × 56,915.04 - Step 4: Simplify right side
131,759.68x = 11,240,592,910.31 - Step 5: Solve for x
x = 11,240,592,910.31/131,759.68 - Step 6: Final answer
x = 85,311.33
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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.