Finding the Fourth Proportional to 313,874.20, 470,811.30 and 224,939.80
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Solution
The fourth proportional to 313,874.20, 470,811.30 and 224,939.80 is: 337,409.70
Step by Step Solution
- Step 1: Write the proportion equation
313,874.20 : 470,811.30 = 224,939.80 : x - Step 2: Convert to fraction form
313,874.20/470,811.30 = 224,939.80/x - Step 3: Cross multiply
313,874.20x = 470,811.30 × 224,939.80 - Step 4: Simplify right side
313,874.20x = 105,904,199,659.74 - Step 5: Solve for x
x = 105,904,199,659.74/313,874.20 - Step 6: Final answer
x = 337,409.70
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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.