Finding the Fourth Proportional to 217,737.23, 300,469.66 and 122,247.95
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Solution
The fourth proportional to 217,737.23, 300,469.66 and 122,247.95 is: 168,697.84
Step by Step Solution
- Step 1: Write the proportion equation
217,737.23 : 300,469.66 = 122,247.95 : x - Step 2: Convert to fraction form
217,737.23/300,469.66 = 122,247.95/x - Step 3: Cross multiply
217,737.23x = 300,469.66 × 122,247.95 - Step 4: Simplify right side
217,737.23x = 36,731,798,469.85 - Step 5: Solve for x
x = 36,731,798,469.85/217,737.23 - Step 6: Final answer
x = 168,697.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.