Finding the Fourth Proportional to 290,977.20, 436,793.85 and 224,711.10
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Solution
The fourth proportional to 290,977.20, 436,793.85 and 224,711.10 is: 337,319.99
Step by Step Solution
- Step 1: Write the proportion equation
290,977.20 : 436,793.85 = 224,711.10 : x - Step 2: Convert to fraction form
290,977.20/436,793.85 = 224,711.10/x - Step 3: Cross multiply
290,977.20x = 436,793.85 × 224,711.10 - Step 4: Simplify right side
290,977.20x = 98,152,426,506.74 - Step 5: Solve for x
x = 98,152,426,506.74/290,977.20 - Step 6: Final answer
x = 337,319.99
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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.