Finding the Fourth Proportional to 228,872.70, 342,617.85 and 201,224.70
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Solution
The fourth proportional to 228,872.70, 342,617.85 and 201,224.70 is: 301,229.35
Step by Step Solution
- Step 1: Write the proportion equation
228,872.70 : 342,617.85 = 201,224.70 : x - Step 2: Convert to fraction form
228,872.70/342,617.85 = 201,224.70/x - Step 3: Cross multiply
228,872.70x = 342,617.85 × 201,224.70 - Step 4: Simplify right side
228,872.70x = 68,943,174,080.90 - Step 5: Solve for x
x = 68,943,174,080.90/228,872.70 - Step 6: Final answer
x = 301,229.35
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1.5x scale
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.