Finding the Fourth Proportional to 291,860.40, 437,450.40 and 134,104.80
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Solution
The fourth proportional to 291,860.40, 437,450.40 and 134,104.80 is: 201,000.88
Step by Step Solution
- Step 1: Write the proportion equation
291,860.40 : 437,450.40 = 134,104.80 : x - Step 2: Convert to fraction form
291,860.40/437,450.40 = 134,104.80/x - Step 3: Cross multiply
291,860.40x = 437,450.40 × 134,104.80 - Step 4: Simplify right side
291,860.40x = 58,664,198,401.92 - Step 5: Solve for x
x = 58,664,198,401.92/291,860.40 - Step 6: Final answer
x = 201,000.88
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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.