Finding the Fourth Proportional to 260,764.90, 391,438.95 and 201,861.70
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Solution
The fourth proportional to 260,764.90, 391,438.95 and 201,861.70 is: 303,018.28
Step by Step Solution
- Step 1: Write the proportion equation
260,764.90 : 391,438.95 = 201,861.70 : x - Step 2: Convert to fraction form
260,764.90/391,438.95 = 201,861.70/x - Step 3: Cross multiply
260,764.90x = 391,438.95 × 201,861.70 - Step 4: Simplify right side
260,764.90x = 79,016,531,893.22 - Step 5: Solve for x
x = 79,016,531,893.22/260,764.90 - Step 6: Final answer
x = 303,018.28
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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.