Finding the Fourth Proportional to 313,861.20, 470,014.20 and 201,368.40
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Solution
The fourth proportional to 313,861.20, 470,014.20 and 201,368.40 is: 301,553.70
Step by Step Solution
- Step 1: Write the proportion equation
313,861.20 : 470,014.20 = 201,368.40 : x - Step 2: Convert to fraction form
313,861.20/470,014.20 = 201,368.40/x - Step 3: Cross multiply
313,861.20x = 470,014.20 × 201,368.40 - Step 4: Simplify right side
313,861.20x = 94,646,007,431.28 - Step 5: Solve for x
x = 94,646,007,431.28/313,861.20 - Step 6: Final answer
x = 301,553.70
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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.